talking summarization





Splog Filter



newsplus summary

ping 歸納

reviewer













Internet   News   animation   retail sales   Sport   Movie   Video Game   Entertainment   Politics   Eats   Music   Drama   Hardware   Software   Health   japanese culture   Technology   automobile   Business   Fashion   Books   Manga   Broadcast   Cooking   electronics   Leisure   Science   Locality   Phrase   Beauty   Nature   Fancy   Comedy   Avocation   Education   Gamble   Art   Livelihood  

SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries




  • 033 4  This is such a great battery ! These are the only rechargeable batteries that I know of that work right out of the package . I have had other rechargeables and they had to be charged before using . Plus , they last MUCH longer than the other ones . My MP3 Player has fallen in love with these batteries !

    • 046 4  I bought this Eneloop for almost a year now and this is the first time I fully tested these batteries . I was so disappointed with the Sanyo 2700 MAh that I returned them and now I can say for sure that this Eneloop will replace them . The Sanyo 2700 had some premature death from experience and some of them will no longer hold charge even after few days . Thomas Distributing ( very good company to deal with ) sent me a replacement , 16 batteries total and after I received them , I charge and conditioned several times . To my disappointment , the new ones do not hold the charge 100% after few days , they all went 80% and 1 even went below 60% . I returned them again after further testing . Now to this Eneloop , I shot 140 flash pictures on my Olympus Camedia C - 5050 on a used Eneloop and it had 80% left according to my ZTS tester . This cannnot be true , so I put it to my Nikon Speedlight SB - 800 and set it to manual to have consistent usage . To my surprise I fired 110 flashes with no sign of dying . I have to stop , my flash is getting hot . The batteries were warm when I took it out and the ZTS showed 60% left after this testing . I am not an expert on batteries , I am just a user like everyone else , but these batteries are GOOD . I think I am going to order more of this from Thomas . Forget those 2700MAh . They are no good if they can't keep the charge . I will probably try some of the new low-discharge also , but for now , I'm sold to Eneloop .
      • 006 4  I was initially skeptical when I bought these but figured it couldn't hurt . I needed a set for my Nikon SB - 600 flash . The 2700 mAh Energizers I had performed just fine until they sat in the flash for a month , at which point I had to carry a spare set just in case . I charged the Eneloops , placed them in the flash and had my first call a month later . They worked wonderfully . I went the whole evening without needed spares . I used them again two months later and got a solid hour or two before they were exhausted . They easily lasted 2 - 3x as long as the Energizers and where in the flash for 2x as long . All-in-all , they've performaed very well . They may not maintain 85% of their charge after one year at room temp ( as one reviewer suggested ) but they certainly sit in the bag far better than my others . I am slowly phasing out all my non-Eneloops as a result . . .
      • 010 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) These 2100 mAh rechargeables are better than 2700 ones - Why - because the regular but higher capacity ones lose charge so quickly , within 10 days they have less charge left in them than the eneloop type . I had some doubts how they would perform in the real world - in particular , their peak current capability ( which will determine how well they actually work in a digital camera ) . Turns out - they do better than the regular ones . While my 1600 mAh panasonics gave approx 40 - 50 shots consistently , the same digital camera now gives me approx 100 shots with these eneloops . Suddenly my mom's camera which ate up battery very quickly - has become a great camera from the battery change . If she's happy , so am I . Incidentally - the amazon price is also very good - you can also try getting the ones with a charger - this eneloop charger charges batteries INDIVIDUALLY . This is critical - no matter which charger you buy - get ones that charge batteries individually and not in pairs . Also remember to always mark your batteries , so you don't mix up charged and discharged batteries when charging them . I've found this to be a common problem with many users .
      • 032 4  The Sanyo MDU01S is a USB-powered battery charger that accepts either 1 or 2 AA / AAA cells . You can use it to charge eneloop or any other brands of NiMH cells . It monitors the status of each cell independently , so there is no danger of over-charging the cell . Unlike a stand-alone charger ( which needs to be connected to an AC outlet ) , the MDU01S draws its power from the USB port of your laptop or PC . That's why this charger can be made so tiny , and you never have to search for yet another AC outlet . The down-side with this USB charger is : since the power available from an USB port is limited , its charging current is relatively low . If you put just one cell in it , the charging current is 850mA . That means it takes about 2.5 hours to fully recharge one 2000mAh eneloop AA cell . But if you put two cells in it , the current drops to 450mA each . So now it takes about 4.5 hours to fully recharge 2 eneloop AA cells . Another concern is that : once your laptop goes into low-power standby or ' sleep ' mode , its USB ports may be turned off , which means the charger will also stop working . If , like me , you always travel with your laptop computer , then the MDU01S makes a very nice travel charger . Otherwise , you may want to consider the Sanyo MDR02NU as a stand-alone travel charger .
      • 034 4  In my Fuji Finepix S9000 , these batteries have outlasted and outshot any other rechargeables I've tried . I do a lot of landscapes , waiting out in the cold for that elusive shaft of sunlight , and the Eneloops don't seem to react to low temperatures by fading quickly the way most others have . After using them for a few months and multiple recharge cycles , I'm very happy with their performance .
      • 070 4  Replaced a set of four 2500 mAh cells in my battery munching camera with these Eneloops and could not believe the difference . Don't let the 2000 mAh rating of the Eneloops fool you . Even the original charge that they came with far outlasted any decent alkaline , or my previous famous name brand ( and more expensive ) rechargeable batteries . They do take a little longer to charge than my last ones , BUT , it matters not when they hold almost all of their charge for months .

    • 063 4  These batteries have worked well in every application where we have tried them . At about $2.50 a piece , they need to be recharged only a handful of times to be cost effective , and keep the toxic waste ( of disposable ) batteries out of the lanfills .

      • 067 4  As an avid flashlight enthusiast , I expect more out of my batteries than most people both in high current drain applications and long term efficiency , and these batteries can handle both - their ability to maintain a large portion of the charge for an entire year blows away my old Energizer 2500mah NIM。
        's ( typically 3 weeks until theyre completely drained , just sitting on a shelf ) . Ever tried to use your digital camera just to find that the batteries were dead ? Buy these - and you'll never have that problem again
        • 041 4  I purchased the GE / Sanyo Eneloop batteries . They are pricey , but I took over 100 flash photos and did not get a low battery light on my camera . I am considering buying more for other devices like my cordless mouse and keyboard .
        • 074 4  I used these batteries on my vacation . It was great ! The rechargeable batteries worked right out of the package . I had more shots than with alkaline batteries . All my worries went away about the batteries going dead and missing precious vacation pictures .
        • 095 4  I received them this week and was surprised at the date on them and more so that when I put them in my remote they worked perfectly without recharging them . I think the advertising is true . I'll add an addendum if I find they do not last long or there is some other issue . As for now , I'm impressed .
        • 096 4  I bought these batteries for my Canon S3 . They last for quite awhile . The good thing about them is that they hold their charge when the camera isn't in use . I highly recommend these batteries .
        • 100 4  I bought these batteries for my hubby . He really likes them . We use them all over the house . They seem to last longer than other rechareable batteries in high drain electronics . They're great for baby toys that go through batteries like crazy , too .

      • 080 4  I purchased these batteries because I was sick and tired of having my camera die every time I went to use it , and not being able to find batteries that hold a charge . A digital camera , which is the only thing I use these batteries for , is VERY demanding of batteries and takes a great deal of power to function . I researched the best rechargeable batteries for use in digital cameras , and this is what I was recommended to . Four batteries AND a charger for less than $20 is a GREAT deal , because in the stores four rechargeable batteries from a brand like Energizer or Duracell ( both of which I have used and ceased to hold a charge after a few months of use ) would cost at least $15 . I have owned these batteries for a little over a month , and so far I couldn't be more satisfied with their performance . The fact that they come pre-charged was a HUGE benefit , as they arrived the day before I took a two-week vacation . One set of the batteries ( two of them ) powered my digital camera for the entire vacation and so far I have only gone through both sets once and I have charged the second set once and am currently using them . In other words , I am on my third charge cycle in total , and thus far I have taken almost 1000 pictures with my camera . This is with significant use of the LCD screen on my camera , which uses much more battery power than powering the flash or the actual taking of the picture . Only time will tell how long these batteries will continue to hold such a significant charge , but at this point they have out-performed all of my expectations .
        • 011 4  These 2100 mAh rechargeables are better than 2700 ones - Why - because the regular but higher capacity ones lose charge so quickly , within 10 days they have less charge left in them than the eneloop type . I had some doubts how they would perform in the real world - in particular , their peak current capability ( which will determine how well they actually work in a digital camera ) . Turns out - they do better than the regular ones . While my 1600 mAh panasonics gave approx 40 - 50 shots consistently , the same digital camera now gives me approx 100 shots with these eneloops . Suddenly my mom's camera which ate up battery very quickly - has become a great camera from the battery change . If she's happy , so am I . Incidentally - the amazon price is also very good - you can also try getting the ones with a charger - this eneloop charger charges batteries INDIVIDUALLY . This is critical - no matter which charger you buy - get ones that charge batteries individually and not in pairs . Also remember to always mark your batteries , so you don't mix up charged and discharged batteries when charging them . I've found this to be a common problem with many users .
        • 101 4  These batteries were suggested to me by my cousin who is a photographer . I explained to him I was getting very upset at charging my old rechargables ( both sets ) not using them and reaching for the camera a week later only to have dead batteries again . Age I am sure was a factor for the old sets but I like the fact that these only release charge when in use . The were charged right out of the box and I have used them for over three weeks . They are a little more pricey but well worth it . I bought an extra set and charger for the wii remotes that Santa is bringing for Christmas . * * * * UPDATE * * * * Now the end of October and still going strong without a recharge yet . I LOVE these batteries . I have to wait til Christmas to try the other sets in the Wii for my son .

      • 109 4  I wanted to buy rechargeable batteries for our new baby's toys , including a mobile which I had heard used up batteries quickly . I purchased these batteries based on the reviews and it was well worth the buy . The batteries lasted a long time with the mobile . We used the mobile for 30 - 45 minutes a day and the rechargeables lasted about 3 - 4 weeks .
        • 089 4  These batteries and charger have made a huge difference in my digital camera , and ultimately , my wallet . Regular batteries died all to quickly and now an overnight charge has me ready to take hundreds of pictures with lots of flashes . Good product ! ! ! Mark S Raleigh , NC
        • 107 4  These batteries are just as claimed . They are ready to use and they help save the environment because they reduce waste .

      • Sanyo Eneloop 4 Pack AA NiMH Pre-Charged Rechargable Batteries w / Charger ( Electronics ) These batteries solve the DOA problem of Sony AA NMH batteries . Of the 5 sets of sony batteries only two will hold a charge the camera will operate with . . . . but will light a flashlight for hours . It is almost like the sony camera does a self-test drawing max current at startup . Whatever the problem the Eneloop batteries cure it . I already had 4 . . . these 4 give me enough for the battery grip of the new canon rebel XT i bought . GREAT BATTERIES
        • 036 4  These batteries solve the DOA problem of Sony AA NMH batteries . Of the 5 sets of sony batteries only two will hold a charge the camera will operate with . . . . but will light a flashlight for hours . It is almost like the sony camera does a self-test drawing max current at startup . Whatever the problem the Eneloop batteries cure it . I already had 4 . . . these 4 give me enough for the battery grip of the new canon rebel XT i bought . GREAT BATTERIES
        • 084 4  These DO keep most of their charge for a year or so . With normal rechargeable batteries I would often go to use something with them in to find the batteries dead from SELF DISCHARGE . : ( That is the main reason that I would not use rechargeable in many devises . With the event of the LSD ( low self discharge ) batteries I have very little use for disposable alkalines AND NO use for regular NMH batteries . I do not know why anyone would buy regular NMH batteries when these are now available .

      • SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I mean , this isn't rocket science , is it ? One AA battery should be about as good as any other AA battery , right ? Wrong . Well , at least they should be in the same ballpark , no ? No . It's amazing how little I know about batteries , but luckily NLee the Engineer knows just about everything about them , so if you want to read only one review , skip mine and go directly to his . So why did I buy these fairly expensive 2,000mAh NiMH rechargeable batteries ? Because I read NLee's review . I also wanted to replace the 24 ( yes , 24 ) 600mAh NiCad batteries that came with a 12 - set solar lighting system for my walkway . Being the great genius I am , I quickly deduced that I should get almost 3 - 1 / 2 times more lighting usage out of the 2,000mAh batteries than I would the 600mAh batteries that came with the solar lights . The 600mAh batteries couldn't keep these solar lights on long enough after a few nights of use . This has to do with the solar cell not collecting enough light during the day ( short day , it being winter time at the time of this review ) to charge these batteries enough to run all night long . For once , I was right ( although I'm not sure if the mAh number is the only reason . . . it may also be the difference between NiCad and NiMH ) . Actually , I got well over 4 times the usage . Now I find that quite startling . More than that , it dumbfounded me . I don't think I'll look at batteries quite the same way any longer . So how do I rate these batteries . This is pretty simple . They are so far superior to the other batteries I had ( yeah , those were really cheap ones ) , that I give the Sanyo batteries a 9 out of 10 or a 5 - star rating ( I'm far too ignorant about batteries to give it 10 out of 10 ) . How would these batteries compare to other NiMH batteries with identical mAh rating ? Sorry , I don't have a clue . All I know is that these have performed even better than I thought they would . There is one other thing that baffles me , and that is the price of the 4 - pack versus the price of the 8 - pack . I required 24 batteries , so the cost of getting 6 , 4 - packs were $55.14 , while the price of 3 , 8 - packs would be $59.97 . Since it would no doubt cost less ( another ingenious deduction on my part ) to pack 3 - sets , than it would to pack 6 sets , one would think the 8 - pack would be cheaper . Wrong again . So forgo the 8 - pack and get the 4 - pack . Of course price is always subject to change , so make sure you confirm this before purchasing .
        • 001 4  [ Updated Oct 24 , 2008 ] My original review on the Sanyo eneloop NiMH cells was written nearly two years ago . Since then , I have learned a lot more about the characteristics about eneloop and other low-self-discharge cells . So it is time to clear up some inaccurate information I wrote about eneloop's self-discharge rate . 1 . I was told that the Sanyo eneloop cells were not 100% fully charged when they leave factory . This makes sense because new cells are fast-charged in the factory to save time . In order to avoid problem with heat and gas built-up , they cannot be charged to 100% . I have tested some eneloop cells that were manufactured 20 months ago , and they still maintained about 70% charge . On the other hand , cells manufactured 6 months ago contain about 75% charge . This confirmed that the discharge rate is much lower than I previously estimated . 2 . The self-discharge rate of eneloop ( and other LSD cells ) is not linear ! My own testing showed that a fully charged eneloop may lose 10% of its initial charge during the first month of storage , but in the second months it may lose just 2 - 3% . The rate becomes even slower after three months . In fact , my 5 - month self-discharge test using various brands of LSD cells gave nearly identical results as my previous 3 - month test . 3 . When an eneloop cell is freshly charged , its capacity actually measures at about 5% higher than its rated capacity ( 2100mAh vs . 2000mAh ) . In my previous tests , I used measured capacity as base to calculate the percentage loss . This results in apparently higher percentage loss . Had I used the rated capacity as base value , the self-discharge rate would be about 5% lower . Based on the above revelation , I believe Sanyo's claim about eneloop ( maintain 85% charge after one year , 80% after two year ) to be accurate . Therefore the title of my previous review ( The News of LSD Has Been Slightly Exaggerated ) has to be replaced . Over the past two years , I have tested several different brands of LSD cells available from Amazon.com , including Rayovac Hybrid , Kodak Pre-Charged , and Duracell Pre Charged . They have all performed very well - practically no difference from the Sanyo eneloop . So the bottom line is : just pick which ever brand of LSD cell is on sale , and you can't go wrong .
        • 002 4  According to Sanyo , the new eneloop LSD ( low self-discharge ) NiMH batteries can maintain 85% of its original charge after 1 year of storage . This claim is slightly misleading , because it is based on simulation test at 20 degree C . At higher temperature , the self-discharge rate is likely to be much higher . I have tested five of those AA cells ( details are given in my review for the eneloop 4 - pack ) . The average energy loss is about 26% after less than 6 months of storage , based on manufacturer date codes . This self-discharge rate is about 3 times higher than what Sanyo claimed . However , it is still 6 times lower than that of ordinary NiMH batteries . Therefore I'm in the process of replacing most of my existing rechargeable cells to the Sanyo eneloop . Thanks to lower self-discharge rate , you'll discover a lot more applications for eneloop cells in your house , such as in clocks and remote controls . Do NOT use those cell in smoke detectors , since their discharge voltage profile is very different from that of alkaline cells . Also , don't use them as emergency flash lights batteries in your car , because the higher temperature during summer time will probably nullify the advantage of LSD . [ Update on Jan 13 , 2007 ] I have tested six new eneloop AAA cells , dated 2006 - 06 ' . The average residue charge is 589mAh , and the freshly charged capacity is 827mAh . This implies a self-discharge rate of 29% in 7 months , which is consistent with the rate for AA cells ( 26% loss in 6 months ) . [ Update on Jan 29 , 2007 ] The Rayovac Hybrid rechargeable NiMH batteries are now available at Walmart , priced at only $ [ . . . ] for 4 - pack of AA or AAA cells . It is also advertised to have low self-discharge rate , but not as low as that for eneloop . The eneloop is supposed to retain 85% charge in 12 months ( when stored at 20 degree C ) , whereas Hybrid is supposed to retain 80% charge in 6 months ( no mention of temperature ) . [ Update on June 3 , 2007 ] In my 2 - month self-discharge test using four different brands of NiMH cells . Hybrid and eneloop came up neck-and-neck ! Room temperature : 60 - 62 degree F ( 16 - 17 degree C ) . All capacities measured are average of 2 - cells . - Sanyo eneloop 2000 , purchased Jan 2007 . Initial capacity measured : 2070mAh Capacity after 62 days : 1796mAh ( - 13.2% ) ( Note : my previous result for eneloop showed - 18% , but I repeated the test and it did better this time ) - Rayovac Hybrid 2100 , purchased Jan 2007 . Initial capacity measured : 2155mAh Capacity after 62 days : 1859mAh ( - 13.8% ) - LaCrosse 2000 , purchased Jan 2006 . Initial capacity measured : 1902mAh Capacity after 62 days : 1417mAh ( - 26% ) - SONY 2300 , purchased Sep 2004 . Initial capacity measured : 2210mAh Capacity after 62 days : 1309mAh ( - 41% ) So neither eneloop nor Hybrid did as well as advertised , but they are still significantly better than previous generation of NiMH cells . So you can't go wrong with either brand .
        • 003 4  I received several sets of Eneloops in February and label told they were produced in April - so they sat at warehouse for nine month . I put them into camera and they worked just fine . Kudos Sanyo ! I should also mention that Sanyo includes reusable battery holders with each set of four . These holders do not look very sturdy , but they perfectly usable . Technically , Sanyo solved the main problem with NiMh technology - frightening self-discharge rate ( up to 40% a month for standard cells ) . By doing this Sanyo reduced cell capacity down to 2000 mAh from today's top line of 2700 mAh . Simple calculation shows that due to self-discharge a good 2700 mAh battery holds only around 2000 mAh after a month and a half . So the answer to the question which battery is better - Eneloop or standard NiMh - lies in the usage pattern . If you always keep batteries in your camera in top-notch charged condition , then standard 2700 mAh set is a winner . For occasional shooters who always forget to charge batteries ( like me ) , Eneloop makes lot of sense because in three month I get around 1900 mAh out of Eneloop and only 1400 mAh from the standard cell . So Eneloop is a winner for everyone who keep batteries inside the camera or any other device for more than 6 weeks . And , well , if paragraph above looks too technical with too many details and numbers - then Eneloop is a clear winner too , because it just behaves the way battery should behave - without forcing users to know how it works . This observation made me buy additional sets of AAA Eneloops to use in my wireless mouse , keyboard , voice recorder and LCD flashlight . It should be taken into account that Eneloops are four times more expensive than Alkaline cells , so it is reasonable to use them for devices that require fresh batteries at least twice a year .
        • 004 4  This compact charger , MDR02 , is best suited for traveling , because it is tiny ( measures only 3 x3 x1 ) , very light ( weights about the same as two AA cells ) , and accept universal input voltage ( 100 - 240V AC ) . It is also a smart charger in the sense that it charges each cell individually , and stops whenever each cell is full . The main drawback of this charger is that it is rather slow . The charging current is 550mA for AA , and 380mA for AAA . That means it takes about four hours to charge up a pair of 2000mAh eneloop cells . What if you need to charge up a set of four 2700mAh cells ? That will take close to 12 hours ! So you really should keep another faster charger for home use . Just remember that the eneloop cells do NOT require special chargers . Any good quality smart NiMH charger will do the job . The reverse is also true - You can use this eneloop charger to charge other brands ' AA or AAA NiMH cells . I keep one in my office just to charge up batteries for my MP3 players , headphones , wireless mouse , etc . And since I always keep a spare set of fully charged batteries , the longer charge time does not bother me .
        • 005 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I was initially skeptical when I bought these but figured it couldn't hurt . I needed a set for my Nikon SB - 600 flash . The 2700 mAh Energizers I had performed just fine until they sat in the flash for a month , at which point I had to carry a spare set just in case . I charged the Eneloops , placed them in the flash and had my first call a month later . They worked wonderfully . I went the whole evening without needed spares . I used them again two months later and got a solid hour or two before they were exhausted . They easily lasted 2 - 3x as long as the Energizers and where in the flash for 2x as long . All-in-all , they've performaed very well . They may not maintain 85% of their charge after one year at room temp ( as one reviewer suggested ) but they certainly sit in the bag far better than my others . I am slowly phasing out all my non-Eneloops as a result . . .
        • 007 4  Funny , everyone seems so thrilled about how they come charged out of the box . While this is nice and convenient , the bigger picture is * why * they can come charged out of the box : they discharge at a much slower rate than normal ( NiMH ) rechargeable batteries . If you use your battery-needing product often , you may not notice this , but for things you use sporadically , this is a godsend . No more coming home from vacation to find your TV remote control is dead . No more grabbing your digital camera after three weeks of not using it only to find it won't start up . These batteries are , indeed , the best of both worlds : they have the power and reuse advantages of a good NiMH battery , but the slow steady discharge of an Alkaline disposable . Look no further - - this is the rechargeable you've been waiting for . And if you had to guess , I'm happy with my first set and about to order more . . . : )
        • 008 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I bought these batteries for use with my Canon S2 digital camera . I was having trouble with typical nimh batteries because I would charge a spare pair of batteries for use when the main pair died . But I was finding that the ones I charged a few weeks ago would be almost fully discharged by the time I would swap them . This was really annoying and pretty much defeated the purpose of having rechargeables . . . I had to use alkalines instead . But this new so called ' hybrid ' / low discharge technology finally solves this problem . Of course it does not solve it completely because these batteries still discharge over time . . . just a lot slower , but at least now I know I have a pair of batteries that are at least 80 percent or so charged when I swap them . This technology was actually developed by an small independent company and licensed for use with all the major battery companies now . For instance , Sony is also utilizing it in their new batteries now . To me , this demonstrates how well it works . So how does it hold up in real life ? Pretty darn well , actually . I noticed that these particular batteries last really long in my Canon S2 . I haven't had the problem of charged batteries being totally discharged by the time I swap them anymore . So if you're having similar problems with your older Nimh batteries , I would recommend giving these batteries a try . But don't feel limited to this brand , there are many other brands utilizing this technology and I've used other brands with the same great results . Tip : If you live near a Fry's Electronics , they have a nice selection of battery choices that utilize this technology .
        • 009 4  I bought these batteries for use with my Canon S2 digital camera . I was having trouble with typical nimh batteries because I would charge a spare pair of batteries for use when the main pair died . But I was finding that the ones I charged a few weeks ago would be almost fully discharged by the time I would swap them . This was really annoying and pretty much defeated the purpose of having rechargeables . . . I had to use alkalines instead . But this new so called ' hybrid ' / low discharge technology finally solves this problem . Of course it does not solve it completely because these batteries still discharge over time . . . just a lot slower , but at least now I know I have a pair of batteries that are at least 80 percent or so charged when I swap them . This technology was actually developed by an small independent company and licensed for use with all the major battery companies now . For instance , Sony is also utilizing it in their new batteries now . To me , this demonstrates how well it works . So how does it hold up in real life ? Pretty darn well , actually . I noticed that these particular batteries last really long in my Canon S2 . I haven't had the problem of charged batteries being totally discharged by the time I swap them anymore . So if you're having similar problems with your older Nimh batteries , I would recommend giving these batteries a try . But don't feel limited to this brand , there are many other brands utilizing this technology and I've used other brands with the same great results . Tip : If you live near a Fry's Electronics , they have a nice selection of battery choices that utilize this technology .
        • 012 4  11 / 2006 : I was going to buy the LaCrosse or Maha MH - 504FS after reading tons of reviews . I'm glad that I didn't and bought this instead . First , this charger ( not sure about the 2 batteries version ) is a smart charger which monitors and charges batteries individually just like the LaCrosse . It is not a dumb timer charger you get for $10 or less . You don't need to worry about quick / slow charges ( like 504FS ) because it uses pulse charge to charge at a speed that's not too fast to hurt your batteries . Second , this charger costs so much less compared to Maha and LaCrosse . Third , I used these eneloop batteries fresh from the package without charging and took over 200 pictures ( about 50 with flash and a few movie chip ) with my Cannon A540 . I believe it can take more pics because NIMH batteries take few cycles of discharge / recharge to reach full capacity . Last but not least , these eneloop battaries are able to hold the charge when sitting idle for months . Unless you charge the normal nimh batteries the night before , they are no good even if they are 2600 high power ones . By the time you use them , they are only partially charged . I would recommand you to buy a LaCrosse if you still decide to use the ordinary NiMH batteries because you will need to use the refresh function to get rid of memory issue and the LED to tell you how much charge is left after letting the batteries sit for days . ( Oh , I forgot to mention that eneloop claims that it can recharge 1000 times without memory issue . ) However , if you decide to use the eneloop , forget about paying extra for Maha or LaCrosse and the normal Nimh batteries and just use this amazing charger and awesome batteries instead . 6 / 2007 update : I bought a new set of Rayovac Hybrid Batteries to see how these compare to Eneloop because they are cheaper . I put the fresh new Rayovac in my digital camera , it works . But when I put it in a LED flashlight , the LED has no light output at all . Later , I put my used Eneloop ( after 200 pictures ) in it . Guess what ? The LED works ! Well , you get what you pay .
        • 013 4  After switching digital camera from Canon A75 to A540 , I discovered the battery life is extremly short on the A540 . At first I thought it's because Canon A540 uses 2 - AA instead of A75 with 4 - AA batteries , then one time , after taking ZERO pictures and freshly recharged NiMH sitting in the camera for only one day , the low battery indicator came on . This happened to both Energizer NiMH 2300mAh battery and Sony NiMH 2600mAh . So I begin to Google the problem and discovered it has something to do with rechargeable battery's drop-off voltage characteristic and how Canon's camera interpret this as low battery indicator . Hence comes the Eneloop . These batteries ' voltage doesn't drop and they discharge very very slowly . I have used the Eneloop for over two months now and glad to say it finally solve the problem of my Canon A540 . A set of freshly charged Eneloop can last for weeks and 300 + pictures and counting . Plus the charger is 110v to 220v capable , so my trip to Asia / Europe won't require a different charger . This is an awesome product and I will buy more of it !
        • 014 4  I haven't had these batteries long enough to judge their life per charge , but so far they seem to be doing really well , so no issues there . My problem is with the D ( and possibly C ) spacers ( adapters ) that come with these batteries . I purchased these mainly for use in flashlights , and other regularly used items . To my dismay , the D spacers do not work in my Mag-Lite 3 cell ( D ) flashlights . I'm sure this is going to be an issue with other flashlights as well . A normal feature of flashlights , is the coil / spring that presses against the batteries and completes contact when the flashlight is closed . An important aspect to this is that the spring needs to be able to press against the actual batteries . Unfortunately , since the spacers are shorter than the AA batteries , and they're open at the top , the spring simply goes over and around ( never touching ) the end of the AA battery . It then pushes on just the plastic spacer , causing no connection , so the flashlight doesn't work . The only way to fix this , is to put a coin or metal disk on top of the AA battery , and then close the flashlight . Doing this makes the necessary connection and the flashlight works . [ . . . ] Flashlights have been around for years , and so has the existence of these springs , so in my opinion this is really bad designing . I hope Sanyo corrects this with future adapters , since these can really be useful batteries . I shouldn't have to amateurishly rig a flashlight to get it to work . They should have realized that the bottom of a D battery has a larger surface area , and many products are designed with this in mind . Since they didn't take that into account , the small surface area of the AA battery , is a pretty big issue . If you won't be using the D adapters in flashlights , then you probably won't have a problem . Like I said , so far the batteries are performing very well . I just wanted to make everyone aware of something I didn't think of , and never would have thought of , prior to purchasing .
        • 015 4  This review is from : Sanyo Eneloop AAA NiMH Pre-Charged Rechargeable Batteries ( 4 Pack ) ( Electronics ) My biggest problem with rechargeable batteries for the many years I have been using them is that they normally loose charge at a fairly rapid rate while sitting waiting to be used . GE / Sanyo solved this problem and the result is fantastic . We have been using these in a Pentax digital SLR and are thrilled with the long in use lifetime and with not needing to worry if the camera sits idle for several weeks . The only ones to buy IMO !
        • 016 4  My biggest problem with rechargeable batteries for the many years I have been using them is that they normally loose charge at a fairly rapid rate while sitting waiting to be used . GE / Sanyo solved this problem and the result is fantastic . We have been using these in a Pentax digital SLR and are thrilled with the long in use lifetime and with not needing to worry if the camera sits idle for several weeks . The only ones to buy IMO !
        • 017 4  A friend in Japan sent me some eneloop cells when they were first introduced . They tested out very close to their rated capacity of 2000 mAh . I then conducted some self discharge tests . I fully charged the cells and set them on a shelf in my house . I checked them at 30 days , 90 days , and 180 days . After 6 months of room temperature storage they had 86% of their initial capacity . Very impressive . . .
        • 018 4  This review is from : Sanyo eneloop Travel Power Pack Kit ( Electronics ) Based on reviews on other Eneloop products , I bought this kit prior to my vacation . On the whole , I'm quite pleased . It's only been a month , but the batteries seem to be holding their charge fairly well . Certainly , they're doing worlds better than my old ones which had the camera showing a low battery warning after an idle week . The charger is fairly slow . You'll want to leave your batteries in it overnight rather than trying to top them off in a hurry . Note that the charger can only charge TWO batteries at a time . I didn't realize that when I ordered it and was disappointed . It's also kind of finicky to get the AAA batteries into it . The AA's went in nicely .
        • 019 4  Based on reviews on other Eneloop products , I bought this kit prior to my vacation . On the whole , I'm quite pleased . It's only been a month , but the batteries seem to be holding their charge fairly well . Certainly , they're doing worlds better than my old ones which had the camera showing a low battery warning after an idle week . The charger is fairly slow . You'll want to leave your batteries in it overnight rather than trying to top them off in a hurry . Note that the charger can only charge TWO batteries at a time . I didn't realize that when I ordered it and was disappointed . It's also kind of finicky to get the AAA batteries into it . The AA's went in nicely .
        • 020 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) Better than a regular ( AA ) alkaline battery , but Not better than some rechargeables on the market . ( When ? ) - I bought these Eneloops ( 2000 mAh ) because of the reviews regarding slow discharge rates , and how rechargeables above 2500 mAh can lose power faster , etc . What I know is that , this winter / under Limited sunlight , the eneloops operated strongly 4 nights ( running about 12 hours Constant ) in my solar strand led Lights , BUT my ( Powerex ( AA ) 2700 mAh Rechargeable NiMH Batteries ) by MAHA ran strong for 8 nights b / f diminishing for the same time frame , using the same light types ( over the same week [ simultaneously ] ) . Yes , the Sanyos are better than alkalines = ability to be re-used , will save you money - over time , and perhaps better than a comparable ( AA ) size 2,000 mAh rechargeable . But I will not buy these over the 2,700 power by MAHA / Powerex - - especially when the device is operated [ continuously ] . - illumination was also much better w / the 2700s in the light strands . ( for Maha batts - shop around / sale prices vary ) - eneloops arrived w / some charge but not [ fully ] powered . They can be charged in any quality NiMH charger , although the package only mentions Sanyo chargers . - An eneloop is simply a 2000 mAh rechargeable , when Ur mainly concerned about running a device in the ON mode continuously . It is when the battery is [ Not ] in use , does Low SELF-discharge ( LSD ) battery usefulness pay off . Difference : A ) 2700 - 2900 mAh ( from a quality brand ) = for the greatest available power & speed at an event today / 2 wks from now , Significantly MORE pics at a photo shoot / celebration , camera flash maxim speed , Stronger illumination in your lights , etc . - OR - B ) eneloops ( 2000 mAh ) = b / c your item sits idle for Long periods / mths ( LOW camera use ) , device is slowly drained ( clocks / various remotes ) , you dislike recharging as often , want a set of back-up batteries sitting [ in storage ] holding power because your device can still run well with 1600 - 1700 mAH , if its 10 - 11mths down the road , more or less . Some have [ over ] rated / recommended these batts as if they're all-purpose rechargeables . [ In storage ] = they're beneficial - ready to use . Yet , [ In continuous operation ] = they can get outperformed . It comes down to usage . . . Update : Sanyo also has a 2700 mAh - NIMH . And Maha has a LSD w / even more capacity ( IMEDION 2100 ) . When eneloops & other LSDs are also available in higher milliampere hours ( mAh ) - that'll be the day !
        • 021 4  Better than a regular ( AA ) alkaline battery , but Not better than some rechargeables on the market . ( When ? ) - I bought these Eneloops ( 2000 mAh ) because of the reviews regarding slow discharge rates , and how rechargeables above 2500 mAh can lose power faster , etc . What I know is that , this winter / under Limited sunlight , the eneloops operated strongly 4 nights ( running about 12 hours Constant ) in my solar strand led Lights , BUT my ( Powerex ( AA ) 2700 mAh Rechargeable NiMH Batteries ) by MAHA ran strong for 8 nights b / f diminishing for the same time frame , using the same light types ( over the same week [ simultaneously ] ) . Yes , the Sanyos are better than alkalines = ability to be re-used , will save you money - over time , and perhaps better than a comparable ( AA ) size 2,000 mAh rechargeable . But I will not buy these over the 2,700 power by MAHA / Powerex - - especially when the device is operated [ continuously ] . - illumination was also much better w / the 2700s in the light strands . ( for Maha batts - shop around / sale prices vary ) - eneloops arrived w / some charge but not [ fully ] powered . They can be charged in any quality NiMH charger , although the package only mentions Sanyo chargers . - An eneloop is simply a 2000 mAh rechargeable , when Ur mainly concerned about running a device in the ON mode continuously . It is when the battery is [ Not ] in use , does Low SELF-discharge ( LSD ) battery usefulness pay off . Difference : A ) 2700 - 2900 mAh ( from a quality brand ) = for the greatest available power & speed at an event today / 2 wks from now , Significantly MORE pics at a photo shoot / celebration , camera flash maxim speed , Stronger illumination in your lights , etc . - OR - B ) eneloops ( 2000 mAh ) = b / c your item sits idle for Long periods / mths ( LOW camera use ) , device is slowly drained ( clocks / various remotes ) , you dislike recharging as often , want a set of back-up batteries sitting [ in storage ] holding power because your device can still run well with 1600 - 1700 mAH , if its 10 - 11mths down the road , more or less . Some have [ over ] rated / recommended these batts as if they're all-purpose rechargeables . [ In storage ] = they're beneficial - ready to use . Yet , [ In continuous operation ] = they can get outperformed . It comes down to usage . . . Update : Sanyo also has a 2700 mAh - NIMH . And Maha has a LSD w / even more capacity ( IMEDION 2100 ) . When eneloops & other LSDs are also available in higher milliampere hours ( mAh ) - that'll be the day !
        • 022 4  I bought these recharger and batteries because , using a flash , I could literally only take about 20 pictures with two AA batteries before they were dead and in need of replacement . With the Eneloop batteries I can take 60 - 80 pictures before I have to switch batteries . Much better !
        • 023 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I have a 5 MP digital camera that only uses 2 AA batteries and was getting very finicky about the Energizer and Rayovac rechargeable NiMH batteries I supplied it with . I like to charge up my batteries and keep a spare set in my camera case for backup . However , I was continuously putting in the fresh batteries and the camera wouldn't even power on . It would say Change batteries . It was baffling b / c batteries that were totally charged were not working any more . The only thing I could figure is that because NiMH AA batteries are only 1.2 Volts instead of the standard 1.5 , anything less than a full charge would not supply the camera with a high enough voltage to power on . Then I started reading about batteries and discovered that these things lose charge surprisingly fast when sitting in storage . I bought four Eneloop batteries and tried them . I have been amazed at the performance with my digital camera . With the previous brands of NiMH , I could maybe get 120 pictures from the camera . Now I can go almost double that time . Don't ask me why . Part of that reason is probably due to the fact that I don't use my camera for significant amounts of time between shoots . So the eneloops hold that charge MUCH better . Anyway , foot the extra cost of these batteries and order plenty of extras . You'll be glad you did when using high-drain devices !
        • 024 4  I have a 5 MP digital camera that only uses 2 AA batteries and was getting very finicky about the Energizer and Rayovac rechargeable NiMH batteries I supplied it with . I like to charge up my batteries and keep a spare set in my camera case for backup . However , I was continuously putting in the fresh batteries and the camera wouldn't even power on . It would say Change batteries . It was baffling b / c batteries that were totally charged were not working any more . The only thing I could figure is that because NiMH AA batteries are only 1.2 Volts instead of the standard 1.5 , anything less than a full charge would not supply the camera with a high enough voltage to power on . Then I started reading about batteries and discovered that these things lose charge surprisingly fast when sitting in storage . I bought four Eneloop batteries and tried them . I have been amazed at the performance with my digital camera . With the previous brands of NiMH , I could maybe get 120 pictures from the camera . Now I can go almost double that time . Don't ask me why . Part of that reason is probably due to the fact that I don't use my camera for significant amounts of time between shoots . So the eneloops hold that charge MUCH better . Anyway , foot the extra cost of these batteries and order plenty of extras . You'll be glad you did when using high-drain devices !
        • 025 4  This review is from : Sanyo Eneloop AAA NiMH Pre-Charged Rechargeable Batteries ( 4 Pack ) ( Electronics ) I've always been interested in rechargeable batteries . Really , hasn't everybody who has ever thrown away an alkaline wondered if there isn't a better way ? I mean , they look perfectly fine , even though we know in our hearts that they are dead , never to return . Enter the NiCad , the staple of the hobbiest of the 1970s , these batteries can be recharged many times , but quickly fade out . Their destiny was to be tossed into the battery drawer , that graveyard for half-used and dead batteries that everyone had someplace in their home . Later , the NiMH , the successor to the lowly NiCad , arrived . When that one showed up , everyone declared victory , emptied the battery drawer into the trash , and started anew . They held much more power than the NiCads of their youth , and seemed nearly perfect . They worked very well indeed in high-demand applications like digital cameras , where the flash and the screen on the backs ate up the little NiCads like they were peanuts . The problem was that in lower demand applications , like remote controls , the thing they still had in common with NiCads proved their undoing . When left alone for a month or two , in a device or not , they would lose their energy . Leaking out like the helium balloon of a child , the power escaped into the ether , leaving the owner to return to a dead remote , unable to do so much as change a channel . Enter the Eneloop , otherwise known as the precharged NiMH . But , this battery brought something more to the table than a simple quick-charge at the factory . It has an extremely low self-discharge rate , which is fancy talk for saying that a year after you charge it , your remote will still work . Amazing . Finally , after years of well-dressed , but incapable technologies , the contender actually has the chops to take on the reigning champion , the mighty bunny battery . Replacing all of your remote batteries with these will save countless trips to the garbage , as well as trips to the computer to order more bulk batteries from Amazon . Just think what all those UPS trucks , filled with oddly-named alkaline batteries from China , could be carrying instead . The overworked drivers might even be able to take a day or two off every now and again , all because of a little , relatively unadvertised innovation that fits in your pocket . If you've ever wondered if there might be a better way while throwing away yet another handful of dead alkalines , give these a try . Highly recommended . Sean P . Logue , 2008
        • 026 4  I've always been interested in rechargeable batteries . Really , hasn't everybody who has ever thrown away an alkaline wondered if there isn't a better way ? I mean , they look perfectly fine , even though we know in our hearts that they are dead , never to return . Enter the NiCad , the staple of the hobbiest of the 1970s , these batteries can be recharged many times , but quickly fade out . Their destiny was to be tossed into the battery drawer , that graveyard for half-used and dead batteries that everyone had someplace in their home . Later , the NiMH , the successor to the lowly NiCad , arrived . When that one showed up , everyone declared victory , emptied the battery drawer into the trash , and started anew . They held much more power than the NiCads of their youth , and seemed nearly perfect . They worked very well indeed in high-demand applications like digital cameras , where the flash and the screen on the backs ate up the little NiCads like they were peanuts . The problem was that in lower demand applications , like remote controls , the thing they still had in common with NiCads proved their undoing . When left alone for a month or two , in a device or not , they would lose their energy . Leaking out like the helium balloon of a child , the power escaped into the ether , leaving the owner to return to a dead remote , unable to do so much as change a channel . Enter the Eneloop , otherwise known as the precharged NiMH . But , this battery brought something more to the table than a simple quick-charge at the factory . It has an extremely low self-discharge rate , which is fancy talk for saying that a year after you charge it , your remote will still work . Amazing . Finally , after years of well-dressed , but incapable technologies , the contender actually has the chops to take on the reigning champion , the mighty bunny battery . Replacing all of your remote batteries with these will save countless trips to the garbage , as well as trips to the computer to order more bulk batteries from Amazon . Just think what all those UPS trucks , filled with oddly-named alkaline batteries from China , could be carrying instead . The overworked drivers might even be able to take a day or two off every now and again , all because of a little , relatively unadvertised innovation that fits in your pocket . If you've ever wondered if there might be a better way while throwing away yet another handful of dead alkalines , give these a try . Highly recommended . Sean P . Logue , 2008
        • 027 4  I purchased a set of 8 about 2 months ago , after becoming thoroughly frustrated with my much more expensive Powerex 2200mah batteries , that I had been using for about 1 year prior . I use a Canon S2 IS , which goes through batteries like they're going out of style . I had thought the Powerexs would be ideal from what I read in their marketing , but I had some very bad luck with them . Out of the 8 Powerexs , one is now completely dead ( as of 4 months ago , will not charge at all ) , and the remaining ones seem unable to hold a charge at all . Despite my best efforts to match them , a set of four will not last me a weekend of shooting ( I shoot motorsports racing ) without needing to be charged at least 4 times a weekend . Meaning I had to bring a car charger and charge in between races , often missing some races altogether . Enter the Eneloops - so far , so good . They do seem to hold their charge extremely well , as advertised . I don't run any tests , I simply go by what I see . I charge both sets after finishing up a weekend , and let them sit until the next event . I can pull them out of the case , pop them in my Canon and shoot away , it is not uncommon for me to be able to shoot an entire weekend ( 2 days of racing ) on one set of the Eneloops ( although I always bring two sets just in case , that is never a bad idea , hence this 8 - pack being such a great deal IMO ) . The fact that they work so well in such a power-draining application is testament enough for me , I will never go back to Powerex . The Eneloops charge using my Powerex charger , I think you can use any charger that is made for these NiMh type batteries .
        • 028 4  This review is from : Sanyo eneloop Travel Power Pack Kit ( Electronics ) Eneloop batteries are really great , but this kit is really expensive . My local Cost * * store sells a similar kit with a charger and 12 batteries ( twice as many batteries ) for $26 .
        • 030 4  The Sanyo eneloops are a huge improvement over every other brand I've used for the last decade . I bought a dozen to start and they are so good that I just placed an order for 24 more plus another charger . The eneloop 4 - cell charger is also the best I've seen , much less owned . ( OK . . . yes , I'm a techie and a battery freak . ) The tendency of batteries to go dead - - even when they are not being used - - is called self-discharge . These days , the end of a battery's useful life is when it won't hold a charge for a reasonable period of time . It doesn't matter how much capacity a battery has if it is dead two weeks after charging . So don't compare the eneloop's 2000mAh with the 2500mAh of other brands . Unless you ~ always ~ charge ~ immediately ~ before use , in real-life the eneloops will run your camera much longer . From generics to the bunny , the recent 2300 to 2600mAh NiMH AA cells all get to be pretty much useless after a few charge-discharge cycles - - especially using fast chargers . I have bought dozens of AA cells in the last year and it seems like I spend all my time in a vain effort to keep them charged and ready to use . The eneloop propaganda claims an amazing 35% self-discharge per year . That is probably true for brand new cells , still in the box . And it is why they can legitimately claim that they are pre-charged . However . . . After one discharge / charge cycle it's more like 12% per month self-discharge . I measured this by comparing the time to top-off charge after 1 day idle with the time to top-off after 22 days . This is still very good . 12% per month is vastly better than the 50% per month for the top brand when nearly new and flat-dead in 2 weeks once they had been used for a while . Also , for those concerned about the 7 - 8 hour charge time for the eneloop charger : You can charge eneloops in a fast charger , but it is just about guaranteed that they won't hold a charge very long afterwards . Part of the eneloop magic is the chemistry and part is the charger . All chargers that do the job in 8 hours or less need to know when to stop charging . Most chargers don't do this very well . The eneloop charger appears to use the dT / dt technique . It senses how fast the cells heat up while charging . This is by far the most gentle , reliable and most expensive method . More kudos to Sanyo .
        • 037 4  I Own several different brands of AA , AAA NIMH rechargeables which I use for my photographic equiptments . I always have to charge them before I use them to make sure that they are ready . I accidentally bump into the Eneloop batteries while browsing on Amazon . After reading the specs of the battery , I got so excited as I've been waiting for a product like these . I first ordered a four pack and when it arrived I immediately check the charge of the batteries with my battery tester , and sure enough it still had a full charge . I bought another four with the charger I also noticed that the charger indicator light would go off when the batteries are fully charge . My only regret is , I wish the charger can be used in countries using to 220V . I will load them on my Nikon SB - 600 electronic flash on my next photo shoot and see how they compare with my other NIMH batteries . As of now I have the feeling that this will be my primary batteries . I will put in another review after I use them .
        • 038 4  I have a Sony digital camera that uses 2 AA batteries . I was always upset that I had to recharge my standard Ni-MH batteries the night before I shot pictures . Many times , I would go to use it and the batteries were dead or near dead . With Eneloop , I can leave the batteries in the camera , like alkaline , and take a lot of pictures , like Ni-MH batteries . They are turly the best of both worlds . The charger that comes with this set is also useful . It is a smart charger that monitors batteries unlike timer based ones that can undercharge and overcharge batteries . I also wouldn't use the Energizer or Duracell 15 minute charger on these since it could damage the cells . Eneloop is the next generation rechargeable battery !
        • 039 4  long battery life ! ! the long lasting battery life makes it's capacity worth a while . Unlike all other AA rechargeable , although some of them marked 2700mah , but you are actually getting less than what you are using because charges often fade out by time . For example , I have a set of Panasonic 2600mah AA , they often allow me more than 700 + of shots on my digital camera . However , if I fully charged them , and use them 2 days after I've charged , I often only getting around 500 + shots . On the other hand , eneloop allows me constant 700 + shoots every charge . Very well done technology . Now ! What if we have eneloop batteries on our electric cars ? that would be awesome ! ! !
        • 040 4  This review is from : Sanyo Eneloop 4 Pack AA NiMH Pre-Charged Rechargable Batteries w / Charger ( Electronics ) I purchased the GE / Sanyo Eneloop batteries . They are pricey , but I took over 100 flash photos and did not get a low battery light on my camera . I am considering buying more for other devices like my cordless mouse and keyboard .
        • 043 4  The life on these things is amazing : D I just got a digital camera and I've been taking tons and tons and tons of pictures and video with my camera and the battery meter hasn't gone down yet . And this is back-to-back with flash and everything . I have the AAs too and they're just simply awesome . When the batteries die , I just put them on the charger overnight and in the morning , I'm good to go . I don't mind the recharge time since I do all my charging when my stuff isn't gonna be in use .
        • 044 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) GE / Sanyo eneloop batteries are 2000mah NiMH cells that can be charged over 1000 times . What makes them special is the fact that they can be charged and placed in a drawer or camera for a year , and still hold 85% of their charge . Think of them as Hi-Power rechargeable alkaline batteries . I have a Pentax * ist DS dSLR that uses four AA batteries . I purchased a 4 - pack of eneloop's , popped them into my camera ( you don't need to charge them first ) and took about 450 photos over a 4 month period before I needed to charge the batteries . Any new NiMH charger can charge eneloop batteries or you can buy Sanyo's . I don't care how many milliamps your batteries have ( 2500 / 2700 ) after a few weeks sitting around , their dead . Not the case with eneloops .
        • 045 4  GE / Sanyo eneloop batteries are 2000mah NiMH cells that can be charged over 1000 times . What makes them special is the fact that they can be charged and placed in a drawer or camera for a year , and still hold 85% of their charge . Think of them as Hi-Power rechargeable alkaline batteries . I have a Pentax * ist DS dSLR that uses four AA batteries . I purchased a 4 - pack of eneloop's , popped them into my camera ( you don't need to charge them first ) and took about 450 photos over a 4 month period before I needed to charge the batteries . Any new NiMH charger can charge eneloop batteries or you can buy Sanyo's . I don't care how many milliamps your batteries have ( 2500 / 2700 ) after a few weeks sitting around , their dead . Not the case with eneloops .
        • 047 4  This review is from : Sanyo Eneloop AAA NiMH Pre-Charged Rechargeable Batteries ( 4 Pack ) ( Electronics ) These batteries have one major advantage over most other rechargeables - they retain their charge much longer . This is especially useful for my digital camera . I don't use it every day and may go 2 - 3 weeks between uses . With other brands I would always have to charge up a new set of batteries each time I used my camera because they would discharge while sitting idle in my camera for 2 weeks . Now I can just pick up my camera and go . These don't have the highest capacity out there , but since the higher capacity batteries discharge pretty quickly , I find that I actually get a lot more usage from these than I did from 2500mAh Energizers . I hope they do come out with a higher capacity version eventually , but even now they beat all the competition out there . Edit : I should add that I mistakenly put this review under the AAA batteries , when I meant to put it under AA batteries , which is what I was thinking when I compare them to Energizers . But I do also use the AAA Eneloops and everything that I said about the AA size goes for the AAA size too
        • 048 4  These batteries have one major advantage over most other rechargeables - they retain their charge much longer . This is especially useful for my digital camera . I don't use it every day and may go 2 - 3 weeks between uses . With other brands I would always have to charge up a new set of batteries each time I used my camera because they would discharge while sitting idle in my camera for 2 weeks . Now I can just pick up my camera and go . These don't have the highest capacity out there , but since the higher capacity batteries discharge pretty quickly , I find that I actually get a lot more usage from these than I did from 2500mAh Energizers . I hope they do come out with a higher capacity version eventually , but even now they beat all the competition out there . Edit : I should add that I mistakenly put this review under the AAA batteries , when I meant to put it under AA batteries , which is what I was thinking when I compare them to Energizers . But I do also use the AAA Eneloops and everything that I said about the AA size goes for the AAA size too
        • 049 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I have been using rechargeable NiMH batteries since getting my current Canon camera that uses AA batteries . I always had a spare set of Alkaline batteries so that if I needed to take a picture without knowing in advance I would have working batteries . Since getting the Eneloops , I have not had to use spare batteries . The camera has always been available for use . I recentl bought a second set of 4 Eneloops that I keep as spares in case I run out of power from usage .
        • 050 4  I have been using rechargeable NiMH batteries since getting my current Canon camera that uses AA batteries . I always had a spare set of Alkaline batteries so that if I needed to take a picture without knowing in advance I would have working batteries . Since getting the Eneloops , I have not had to use spare batteries . The camera has always been available for use . I recentl bought a second set of 4 Eneloops that I keep as spares in case I run out of power from usage .
        • 051 4  This review is from : Sanyo Eneloop 4 Pack AA NiMH Pre-Charged Rechargable Batteries w / Charger ( Electronics ) I bought this for my Wii remotes . On full charge , these batteries seem to last about as long as high end disposable batteries . My only complaint is that the charger doesn't tell you when charging is complete . The light only let's you know that it is in fact charging . This is a minor complaint though and overall i'm very happy with my purchase . ( I usually leave the batteries in the charger for about 30 minutes for full juice . ) Edit : I'm an idiot . The light turns off when it's done charging . It takes about 4 hours or so .
        • 052 4  I bought this for my Wii remotes . On full charge , these batteries seem to last about as long as high end disposable batteries . My only complaint is that the charger doesn't tell you when charging is complete . The light only let's you know that it is in fact charging . This is a minor complaint though and overall i'm very happy with my purchase . ( I usually leave the batteries in the charger for about 30 minutes for full juice . ) Edit : I'm an idiot . The light turns off when it's done charging . It takes about 4 hours or so .
        • 053 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I mean , this isn't rocket science , is it ? One AA battery should be about as good as any other AA battery , right ? Wrong . Well , at least they should be in the same ballpark , no ? No . It's amazing how little I know about batteries , but luckily NLee the Engineer knows just about everything about them , so if you want to read only one review , skip mine and go directly to his . So why did I buy these fairly expensive 2,000mAh NiMH rechargeable batteries ? Because I read NLee's review . I also wanted to replace the 24 ( yes , 24 ) 600mAh NiCad batteries that came with a 12 - set solar lighting system for my walkway . Being the great genius I am , I quickly deduced that I should get almost 3 - 1 / 2 times more lighting usage out of the 2,000mAh batteries than I would the 600mAh batteries that came with the solar lights . The 600mAh batteries couldn't keep these solar lights on long enough after a few nights of use . This has to do with the solar cell not collecting enough light during the day ( short day , it being winter time at the time of this review ) to charge these batteries enough to run all night long . For once , I was right ( although I'm not sure if the mAh number is the only reason . . . it may also be the difference between NiCad and NiMH ) . Actually , I got well over 4 times the usage . Now I find that quite startling . More than that , it dumbfounded me . I don't think I'll look at batteries quite the same way any longer . So how do I rate these batteries . This is pretty simple . They are so far superior to the other batteries I had ( yeah , those were really cheap ones ) , that I give the Sanyo batteries a 9 out of 10 or a 5 - star rating ( I'm far too ignorant about batteries to give it 10 out of 10 ) . How would these batteries compare to other NiMH batteries with identical mAh rating ? Sorry , I don't have a clue . All I know is that these have performed even better than I thought they would . There is one other thing that baffles me , and that is the price of the 4 - pack versus the price of the 8 - pack . I required 24 batteries , so the cost of getting 6 , 4 - packs were $55.14 , while the price of 3 , 8 - packs would be $59.97 . Since it would no doubt cost less ( another ingenious deduction on my part ) to pack 3 - sets , than it would to pack 6 sets , one would think the 8 - pack would be cheaper . Wrong again . So forgo the 8 - pack and get the 4 - pack . Of course price is always subject to change , so make sure you confirm this before purchasing .
        • 054 4  I mean , this isn't rocket science , is it ? One AA battery should be about as good as any other AA battery , right ? Wrong . Well , at least they should be in the same ballpark , no ? No . It's amazing how little I know about batteries , but luckily NLee the Engineer knows just about everything about them , so if you want to read only one review , skip mine and go directly to his . So why did I buy these fairly expensive 2,000mAh NiMH rechargeable batteries ? Because I read NLee's review . I also wanted to replace the 24 ( yes , 24 ) 600mAh NiCad batteries that came with a 12 - set solar lighting system for my walkway . Being the great genius I am , I quickly deduced that I should get almost 3 - 1 / 2 times more lighting usage out of the 2,000mAh batteries than I would the 600mAh batteries that came with the solar lights . The 600mAh batteries couldn't keep these solar lights on long enough after a few nights of use . This has to do with the solar cell not collecting enough light during the day ( short day , it being winter time at the time of this review ) to charge these batteries enough to run all night long . For once , I was right ( although I'm not sure if the mAh number is the only reason . . . it may also be the difference between NiCad and NiMH ) . Actually , I got well over 4 times the usage . Now I find that quite startling . More than that , it dumbfounded me . I don't think I'll look at batteries quite the same way any longer . So how do I rate these batteries . This is pretty simple . They are so far superior to the other batteries I had ( yeah , those were really cheap ones ) , that I give the Sanyo batteries a 9 out of 10 or a 5 - star rating ( I'm far too ignorant about batteries to give it 10 out of 10 ) . How would these batteries compare to other NiMH batteries with identical mAh rating ? Sorry , I don't have a clue . All I know is that these have performed even better than I thought they would . There is one other thing that baffles me , and that is the price of the 4 - pack versus the price of the 8 - pack . I required 24 batteries , so the cost of getting 6 , 4 - packs were $55.14 , while the price of 3 , 8 - packs would be $59.97 . Since it would no doubt cost less ( another ingenious deduction on my part ) to pack 3 - sets , than it would to pack 6 sets , one would think the 8 - pack would be cheaper . Wrong again . So forgo the 8 - pack and get the 4 - pack . Of course price is always subject to change , so make sure you confirm this before purchasing .
        • 055 4  I bought a 4 pack of AA batteries for my GPS about a month ago . As advertised , they were fully charged right out of the package . I can't believe how long these batteries are lasting me on one charge . I have left them in for two weeks and used the GPS each day for walks , hikes and car trips . They just don't discharge like the normal NiMH batteries I have used ( and been disappointed by ) in the past . The only downside is the price , but in the long run I think they will be worth the money .
        • 056 4  This review is from : Sanyo Eneloop 4 Pack AA NiMH Pre-Charged Rechargable Batteries w / Charger ( Electronics ) Guess what , I opened the box , pulled the batteries out , and have been using the batteries for well over a week taking hundreds of pics with my new Nikon SB - 600 Speedlight Flash for Nikon Digital SLR Cameras . What's even more amazing , is that I likely can do this for a few more weeks . Try that with any other batteries and what you'll get are empty batteries that may get damaged by using them without charging them first . OK you say , I don't need to use them right away , well don't think of charging them and throwing them in your camera bag , as by the time you need them , you'll need to charge them again , as most nimh batteries lose 1 - 2% of charge a day - - from just sitting around ! Don't you buy rechargeable batteries for their efficiency ? Well when you have to constantly recharge them , that's not efficient ! These batteries are the real deal !
        • 057 4  Guess what , I opened the box , pulled the batteries out , and have been using the batteries for well over a week taking hundreds of pics with my new Nikon SB - 600 Speedlight Flash for Nikon Digital SLR Cameras . What's even more amazing , is that I likely can do this for a few more weeks . Try that with any other batteries and what you'll get are empty batteries that may get damaged by using them without charging them first . OK you say , I don't need to use them right away , well don't think of charging them and throwing them in your camera bag , as by the time you need them , you'll need to charge them again , as most nimh batteries lose 1 - 2% of charge a day - - from just sitting around ! Don't you buy rechargeable batteries for their efficiency ? Well when you have to constantly recharge them , that's not efficient ! These batteries are the real deal !
        • 058 4  I constantly use about 40 AA sized Batteries . I tried to replace them with regular Rechargeable Batteries . The problem with those is that they are always empty when you actually need them . Not the Eneloop , they are always ready to go . Just recharge them when they are empty and store them like regular Batteries . Apparently there are normal rechargeable Batteries out there which are labeled with a higher capacity . The truth is : with devices which draw not that much power or which you use only occasionally , you lose most of the available power on self discharge processes . The Eneloop keep their charge so that you actually get more out of them . For my needs they are perfect !
        • 059 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I've been using my 8 pack of AA ANiMH Rechargeables for several months . They actually stay charged . You can use them places you'd never consider a rechargeable and they hold their charge . I recommend ! !
        • 060 4  I've been using my 8 pack of AA ANiMH Rechargeables for several months . They actually stay charged . You can use them places you'd never consider a rechargeable and they hold their charge . I recommend ! !
        • 061 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) After years of rechargeable NiM。's , these eneloops are a godsend . Whereas the NiM。's would discharge without use in the camera within days , these eneloops go on and on and on . . .
        • 064 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) GE / SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries I like NiMh batteries a lot . The only problem is that they will lose their capacity after a few months and this made they not suitable for my certain applications . When I learn that Sanyo has this new type of batteries , I bought a few from Amazon due to their reasonable prices . After it arrived on Nov . 2007 , I notice that its production date is 09 - 2006 . So it is about 14 month old . Its voltage is 1.29 volts , not bad for a battery stored for over a year . Its remaining capacity is shown to be 2060mAh as measured by the LaCrosse Technologies ' battery charger / tester . [ edited by the reviewer : Somehow I didn't read the LaCrosse tester capacity results right . I used my own ( home made ) data acquisition tester tested again today , the capacity is about 1300 mAh . Not bad after storing for 14 months . - 11 / 19 / 2007 ] I then charged the battery to full and measured its capacity . It is 2170 mAh . Looks to me the batteries I received exceed the flash and stored capacities claimed by Sanyo and better than other reviewers ' results . The only weakness is they cannot match the capacity of the top ones of the conventional NiMh batteries but this is not that bad and it is not so important for my applications . If its long term performance is as good , I don't think I will buy regular NiMh again in the future .
        • 065 4  GE / SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries I like NiMh batteries a lot . The only problem is that they will lose their capacity after a few months and this made they not suitable for my certain applications . When I learn that Sanyo has this new type of batteries , I bought a few from Amazon due to their reasonable prices . After it arrived on Nov . 2007 , I notice that its production date is 09 - 2006 . So it is about 14 month old . Its voltage is 1.29 volts , not bad for a battery stored for over a year . Its remaining capacity is shown to be 2060mAh as measured by the LaCrosse Technologies ' battery charger / tester . [ edited by the reviewer : Somehow I didn't read the LaCrosse tester capacity results right . I used my own ( home made ) data acquisition tester tested again today , the capacity is about 1300 mAh . Not bad after storing for 14 months . - 11 / 19 / 2007 ] I then charged the battery to full and measured its capacity . It is 2170 mAh . Looks to me the batteries I received exceed the flash and stored capacities claimed by Sanyo and better than other reviewers ' results . The only weakness is they cannot match the capacity of the top ones of the conventional NiMh batteries but this is not that bad and it is not so important for my applications . If its long term performance is as good , I don't think I will buy regular NiMh again in the future .
        • 066 4  I replaced the batteries in my engineering model calculator with three AAA eneloops several weeks ago . The batteries have kept going and going compared with regular NiMH AAA's which are not suitable for long term low drain devices like this because they won't keep going and going . They disapate far too quickly . You would have to recharge them so often it would make you crazy . I also like the idea I can keep several sets of eneloops charged up and ready for use in my camera , a high drain device , for which a regular NiMH might be useful . Problem is I don't take all my photos within a day or two and regular NiM。's disipate . Once again , I have to recharge . Not so with eneloops . For me these batteries are the greatest . 2700 mA。's ( or more in the future ) of energy storage capacity for the highest regular NiM。's does not trump eneloops 2100 mAH for me if most of the 2700 mA。's disipates within days of its having been charged . TV remote controls , calculators , shavers and all sorts of uses where alkalines were more appropriate eneloops ( or other hybrid NiMH batteries ) can now be used . Good job !
        • 068 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) A year ago I bought Promaster XtraPower Pro rechargeable NiMH AA batteries for my Canon S3 IS . The batteries seemed to lose their charge quickly . Heading to the United Kingdom , I decided to try the new AA Sanyo ENELOOPS NiMH 2000mAh . To make sure that they held their full charge , I used the video feature of my camera . I've managed to get 250 minutes of video recording time with the ENELOOPS . Compare this to the Promaster that only lasted 150 minutes fully charged . Even with the ENELOOPS sitting in the camera for at least 3 days without use , I was able to record at least 100 minutes of video , and sitting in the camera after 2 weeks , I can still take photos without a recharge . The Promaster which were fully charged ( but left to sit outside the camera for 3 days ) needed charging as soon as I put them in the camera . I haven't taken my trip yet , but I don't plan on taking the Promaster batteries even as a backup . With 8 ENELOOPS and a battery charger , I think I'll be fine .
        • 069 4  A year ago I bought Promaster XtraPower Pro rechargeable NiMH AA batteries for my Canon S3 IS . The batteries seemed to lose their charge quickly . Heading to the United Kingdom , I decided to try the new AA Sanyo ENELOOPS NiMH 2000mAh . To make sure that they held their full charge , I used the video feature of my camera . I've managed to get 250 minutes of video recording time with the ENELOOPS . Compare this to the Promaster that only lasted 150 minutes fully charged . Even with the ENELOOPS sitting in the camera for at least 3 days without use , I was able to record at least 100 minutes of video , and sitting in the camera after 2 weeks , I can still take photos without a recharge . The Promaster which were fully charged ( but left to sit outside the camera for 3 days ) needed charging as soon as I put them in the camera . I haven't taken my trip yet , but I don't plan on taking the Promaster batteries even as a backup . With 8 ENELOOPS and a battery charger , I think I'll be fine .
        • 071 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I had always been frustrated in grabbing the digital camera ( Minolta S404 , using 4 AAs ) . We'd have to schedule it because by the time we went to grab it , the NiMH batteries would have discharged to the point that a few pictures would shut the camera down . Of course , recharging on the spot is not an option , and leaving the batteries in a charger all the time isn't a good thing either . While the Eneloops have a lower capacity ( merely 2000MaH ) , so far they've worked exactly as advertised . We'll see how they hold up over time , but until then , if your digital camera uses AA or AAA batteries , buy 2 sets _ immediately _ . We'll see if they can be beneficial as an alkaline replacement as well on some RC toys . I'll have to do a cost and waste comparison compared to alkalines . . .
        • 072 4  I had always been frustrated in grabbing the digital camera ( Minolta S404 , using 4 AAs ) . We'd have to schedule it because by the time we went to grab it , the NiMH batteries would have discharged to the point that a few pictures would shut the camera down . Of course , recharging on the spot is not an option , and leaving the batteries in a charger all the time isn't a good thing either . While the Eneloops have a lower capacity ( merely 2000MaH ) , so far they've worked exactly as advertised . We'll see how they hold up over time , but until then , if your digital camera uses AA or AAA batteries , buy 2 sets _ immediately _ . We'll see if they can be beneficial as an alkaline replacement as well on some RC toys . I'll have to do a cost and waste comparison compared to alkalines . . .
        • 073 4  These battries live up to what Sanyo says . This is the first time ever that I don't feel I may run out of batteries or that the batteries that I have put away are not going to respond . Each re-charge will allow me to take a lot more pictures than regular alkaline batteries yet they behave like alkaline batteries with regards to the discharge rate . The only Cons is that they are still expensive compared with the price of alkaline batteries . In summaary , Eneloop batteries is the way to go , not only for efficiency but for conservation of resources .
        • 076 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) Purchased a 4 pack in late December as a backup for a holiday trip . Got used in a point-and-shoot camera for a few days then charged on my La Cross charger and transferred to the digital display on my elliptical machine . Less than 2 months later one cell is completely dead . Isn't recognized by any device , charger or voltmeter . Dead . Calls and emails to Sanyo customer service have been completely ignored and I've been trying for 2 solid weeks . Useless . I can't stand companies who drop emails into a black hole and don't answer the telephone . Sanyo customer service number goes to voice mail no matter what time of day you call them . Lousy service , apparently lousy quality control too ! I'll be purchasing from other manufacturers in the future for any electronics needs . Buh bye Sanyo . Edit : additional information - I was finally able to contact customer service ( after a month of trying ) who very nicely asked for a copy of the purchase receipt which I provided . They determined that the battery needed replacement and asked me to return the one dead cell to them at my expense which I did . No further communication and no replacement battery has ever been received . I give up as the cost of all of the time and effort following up on one lousy dead battery far exceeds the original purchase price . Customer service shouldn't be so hard to reach and you shouldn't have to jump through hoops to get satisfaction under the warranty . Edit : additional information - months later I stumbled across the email from customer service and decided to give them one more chance . They asked for proof of mailing which I told them I couldn't be bothered to locate and told them I didn't think the service was that great . A few days later they asked for a shipping address and mailed me 1 AA battery . Hats off to the Sanyo rep for sending the battery but , really , I think it should have been sent after the initial complaint and proof of purchase .
        • 077 4  Purchased a 4 pack in late December as a backup for a holiday trip . Got used in a point-and-shoot camera for a few days then charged on my La Cross charger and transferred to the digital display on my elliptical machine . Less than 2 months later one cell is completely dead . Isn't recognized by any device , charger or voltmeter . Dead . Calls and emails to Sanyo customer service have been completely ignored and I've been trying for 2 solid weeks . Useless . I can't stand companies who drop emails into a black hole and don't answer the telephone . Sanyo customer service number goes to voice mail no matter what time of day you call them . Lousy service , apparently lousy quality control too ! I'll be purchasing from other manufacturers in the future for any electronics needs . Buh bye Sanyo . Edit : additional information - I was finally able to contact customer service ( after a month of trying ) who very nicely asked for a copy of the purchase receipt which I provided . They determined that the battery needed replacement and asked me to return the one dead cell to them at my expense which I did . No further communication and no replacement battery has ever been received . I give up as the cost of all of the time and effort following up on one lousy dead battery far exceeds the original purchase price . Customer service shouldn't be so hard to reach and you shouldn't have to jump through hoops to get satisfaction under the warranty . Edit : additional information - months later I stumbled across the email from customer service and decided to give them one more chance . They asked for proof of mailing which I told them I couldn't be bothered to locate and told them I didn't think the service was that great . A few days later they asked for a shipping address and mailed me 1 AA battery . Hats off to the Sanyo rep for sending the battery but , really , I think it should have been sent after the initial complaint and proof of purchase .
        • 078 4  Saving money in your pocket and sparing the environment by cutting down on what we dispose of in harmful chemicals - well who wouldn't be interested in that ? But when you take into consideration that these Eneloop batteries actually do what they claim - hold a charge for a long long time , behave at least as well as disposable alkalines , and recharge fast - it's too good to pass up . They have powered remotes , cameras , recorders of mine , reliably and without any interruption . Spares are stored away and can be used good as new , and as others report , will hold most of their charge even months down the line . In a better world , these would replace all disposable power cells for good .
        • 079 4  Just a note : Buy two 4 - packs on Amazon for 18USD . Buy one 8 - pack on Amazon for 20USD . I have also noticed this anti-economy of scale with the Coolwhip at my local supermarket . Foolishly I previously bought 8 - packs of eneloops assuming they were better value , and shall live to regret my mistake . The batteries are good ; I shall be replacing my ~ 60 NiMH cells with these Eneloops . I only give them 4 - stars because of the capacity . In time I'm sure it will increase . Lots of love , T.S . Libertan
        • 081 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I've owned or own 2500 and 2000 MaH Energizers , two sets of Sony , and now two sets of these Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries pre-charged batteries . I've owned them for two months , and have been extremely satisfied especially when compared to all other rechargeables bought since my first digital camera and MP3 players back in 2000 . I'm not certain I understand why the pre-charged part of Sanyo's description is so prominent , but it does help ONCE in the use of these batteries . When you first use the first four , and keep four in your camera bag just in case , it is true : after being on the shelf for who knows how long , the second set will have 75% plus charge left when you take them out of their plastic pack . I haven't had them long enough to know whether they'll hold this charge for a year after I've recharged them , but I'm guessing that that wolds true as well . What I'm still trying to figure out is the difference between Energizers or Sony 2500mAh and these 2000mAh . These certainly last as long on a photo shoot , even using flash . What I can tell you is this : 1 . I was able to take over 800 photos at max resolutions with the first set of four right out of the packaging . 2 . They recharged in 90 minutes and , to be honest , I haven't used the spare four yet except to see that they worked . ( Unfortunately , my Canon digital camera doesn't have a battery meter until it's too late - got to remember to put that in my review of the camera . ) 3 . One set of Energizers only lasted a year , and I'm sure I didn't recharge them more than 10 times . One set of Sony's lasted only seven months under the same conditions . In all cases , I'm talking about AAs . The AAAs haven't fared as well . 4 . I will be buying more of these Sanyo's and , as soon as I'm done with this review , I'll be looking for the AAAs which I use in two MP3 players and one AM radio . Hint from years of experience : if you get the pack of 8 , mark four with a permanent marker , and use the set as a set . I don't know why , but sometimes when you mix batteries , you'll find one or two with different strengths after the fourth or fifth charge .
        • 082 4  I've owned or own 2500 and 2000 MaH Energizers , two sets of Sony , and now two sets of these Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries pre-charged batteries . I've owned them for two months , and have been extremely satisfied especially when compared to all other rechargeables bought since my first digital camera and MP3 players back in 2000 . I'm not certain I understand why the pre-charged part of Sanyo's description is so prominent , but it does help ONCE in the use of these batteries . When you first use the first four , and keep four in your camera bag just in case , it is true : after being on the shelf for who knows how long , the second set will have 75% plus charge left when you take them out of their plastic pack . I haven't had them long enough to know whether they'll hold this charge for a year after I've recharged them , but I'm guessing that that wolds true as well . What I'm still trying to figure out is the difference between Energizers or Sony 2500mAh and these 2000mAh . These certainly last as long on a photo shoot , even using flash . What I can tell you is this : 1 . I was able to take over 800 photos at max resolutions with the first set of four right out of the packaging . 2 . They recharged in 90 minutes and , to be honest , I haven't used the spare four yet except to see that they worked . ( Unfortunately , my Canon digital camera doesn't have a battery meter until it's too late - got to remember to put that in my review of the camera . ) 3 . One set of Energizers only lasted a year , and I'm sure I didn't recharge them more than 10 times . One set of Sony's lasted only seven months under the same conditions . In all cases , I'm talking about AAs . The AAAs haven't fared as well . 4 . I will be buying more of these Sanyo's and , as soon as I'm done with this review , I'll be looking for the AAAs which I use in two MP3 players and one AM radio . Hint from years of experience : if you get the pack of 8 , mark four with a permanent marker , and use the set as a set . I don't know why , but sometimes when you mix batteries , you'll find one or two with different strengths after the fourth or fifth charge .
        • 083 4  I recently tried 2 Enloop AAs in a Kodak z712is camera . The camera has been almost unusable because it is a battery monster - nothing I've tried except the very expensive throw-away CRV3s ( the recommended battery size ) lasts more than about 15 shots . I've tried a few no-name CRV3 rechargeables with no luck . At this point , it was give up on the camera or give in and pay Kodak for their overpriced charger and rechargeable CRV3 , which reportedly works well but costs over 1 / 3 the price of the camera . The camera will also take AAs , so I tried a few kinds including other NiMh rechargeables . The camera wouldn't even recognize most . I got maybe 5 shots out of some . Finally I tried the Enloops . Absolutely incredible ! I haven't worn out the first pair I put in , after intentionally taking over 120 flash shots as rapidly as the camera will allow . The low battery indicator came on awhile ago , but they just keep on going . My camera is saved ! I've got some of the Radio Shack imitations of the Enloops which I tried as well . They seem to hold up , but the cycle time between shots is a lot longer than the Enloops . I'd give these batteries 10 stars if I could . It's a great example of value vs . cheap . They cost a little more , but are way ahead of anything against which they compete .
        • 085 4  Buy them , you'll like them . I've learned the hard way that low self-discharge batteries are the only rechargeables you should buy . There are Eneloops , Rayovac Hybrids ( at Target ) , Radio Shack , and a few others , but personally I prefer the Eneloops . This was a pretty good price ( $9.22 for 4 AAA ) especially with free shipping . Other rechargables are dead within a few days of charging , but Eneloops and other low-self discharge batteries will hold a charge for over a year , which is why they can sell them charged and keep them on the shelf at the store . We've completely switched to Eneloops and only buy ( and dispose of ) alkaline batteries in 9V , since they don't yet make a 9V low-self discharge battery as far as I know . I have no connection to Sanyo or any other battery company .
        • 086 4  I have at least thirty of these batteries for our kids toys and some of our big kid toys . They work great , hold a charge and last a long time . I threw away all of our other rechargeables . The price for these has gone up from ~ $11.00 for 4 AA to almost $20 in the past month ! ! ! ? ? ? I'm not sure why for the big price increase .
        • 088 4  I just happened upon these a little over a year ago while looking for a battery charger for AA and AAA batteries . With 2 young children , we had plenty of uses for batteries . I found an excellent charger ( the LaCrosse BC - 900 ) based primarily on the outstanding review of NLee the Engineer who also recommended hybrid-type or low self-discharge batteries . I had honestly never heard of such a thing before that ( since hardly anybody sells them apparently ) . These are especially great for use in electronic items that get used a lot but that also may sit unused for long periods of time ( i.e . digital camera , Wii remotes , etc ) . The beauty of these batteries is that you can throw a few in the camera bag and always know you've got good batteries even months later ( unlike with regular rechargeables which lose their charge much more quickly over time ) . I rarely use any other type of battery now . These are expensive on the front end but have proven to be the most cost-effective and convenient batteries to own . For an excellent ( and much more technical ) review of these batteries , read the review by NLee the Enginner .
        • 090 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I asked some people who use a lot of re-chargeable batteries what was the best choice . Most said to go with eneloop , and one person was emphatic : stick with something that says Pre-Charged , no matter what numbers they throw at you . They were right - - these batteries hold a charge for as long regular disposables . Look no further , these are the ones you want .
        • 091 4  I asked some people who use a lot of re-chargeable batteries what was the best choice . Most said to go with eneloop , and one person was emphatic : stick with something that says Pre-Charged , no matter what numbers they throw at you . They were right - - these batteries hold a charge for as long regular disposables . Look no further , these are the ones you want .
        • 092 4  This review is from : SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Electronics ) I use a Metz flash on my Canon 40D . It is a major battery hog . Before shooting an indoor wedding I put in a fresh set ( 4 AA ) of batteries . When using standard batteries I would need to change batteries between the ceremony and the reception . With these Sanyo Rechargeable Batteries I was able to do the Ceremony and all of the reception without needing to put in new batteries . Needless to say I am VERY happy with this product and recommend it for any item that is a battery hog .
        • 093 4  I use a Metz flash on my Canon 40D . It is a major battery hog . Before shooting an indoor wedding I put in a fresh set ( 4 AA ) of batteries . When using standard batteries I would need to change batteries between the ceremony and the reception . With these Sanyo Rechargeable Batteries I was able to do the Ceremony and all of the reception without needing to put in new batteries . Needless to say I am VERY happy with this product and recommend it for any item that is a battery hog .
        • 094 4  This review is from : Sanyo Eneloop AAA NiMH Pre-Charged Rechargeable Batteries ( 4 Pack ) ( Electronics ) I received them this week and was surprised at the date on them and more so that when I put them in my remote they worked perfectly without recharging them . I think the advertising is true . I'll add an addendum if I find they do not last long or there is some other issue . As for now , I'm impressed .
        • 097 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) Really like these batteries . They last a long time and hold there charge well . I was able to use right out of the box with great results . Don't get hung up on the 2000 mAh rating as they out perform my other 2650 mAh rechargeables . They truly work as advertised . Very pleased .
        • 099 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I bought these batteries for my hubby . He really likes them . We use them all over the house . They seem to last longer than other rechareable batteries in high drain electronics . They're great for baby toys that go through batteries like crazy , too .
        • 102 4  Casual picture takers take a few pictures at a time and have had trouble dealing with the quick self discharge rate of traditional NiMh batteries . You had batteries fully charged , took some pictures , put away the camera for a week or two and wanted to take pictures again , only to find the batteries were almost dead and the backup batteries were not much better . I have a four year old Kodak digital camera and didn't use it often because of this problem . After I bought the eneloops , the camera started to shine again . Complaints about this battery seems to come from power users who use up batteries in a few hours and demand highest possible mAh . But for casual users , an eneloop at 2000 mAh has effectively much higher usable power than a traditional NiMh at 2500 mAh . I bought the batteries from a local hhgregg store , which has a cheaper price . The time marked on package indicates they were already a year after manufacture . The batteries of course had lost some charge , but they still could be used to take a few pictures before they needed recharging . That tells me something about these batteries . To casual picture takers , these batteries are a great solution .
        • 103 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) 4 out of 5 Stars ONLY because I just haven't used them long enough to give them 5 . Sanyo just has dominated the market in rechargeables for over a decade so they get 4 out of the box for me . I used to race RC cars for a long time and Sanyo made the best batteries back then . I think they are the leader in that technology so I was pretty excited when I found these . I'm good about cycling ( running them out before charging ) even with Ni-MH batteries . It's a good practice that will exercise the battery and reduce the number of times you charge it . Charging and discharging produces heat . Heat is the enemy of batteries . We used to do this to prevent memory in Ni-CAD batteries . Which isn't an issue with Ni-MH batteries . So I'm not shy about short charging them if I have to . The Eneloops help in this respect because I don't have to worry about grabbing the backup set for my GPS or Camera and having them be dead from self discharging if they've been sitting in the bag for a few months . That's the selling point IMO . My other rechargeable batteries have been relegated to TV and other home remote control devices . The eneloops are in my key electronics . If you have a charger already for other batteries , you're probably good to go without buying another for the Eneloops . Check the specs first though as using one can void the warranty on the batteries .
        • 104 4  4 out of 5 Stars ONLY because I just haven't used them long enough to give them 5 . Sanyo just has dominated the market in rechargeables for over a decade so they get 4 out of the box for me . I used to race RC cars for a long time and Sanyo made the best batteries back then . I think they are the leader in that technology so I was pretty excited when I found these . I'm good about cycling ( running them out before charging ) even with Ni-MH batteries . It's a good practice that will exercise the battery and reduce the number of times you charge it . Charging and discharging produces heat . Heat is the enemy of batteries . We used to do this to prevent memory in Ni-CAD batteries . Which isn't an issue with Ni-MH batteries . So I'm not shy about short charging them if I have to . The Eneloops help in this respect because I don't have to worry about grabbing the backup set for my GPS or Camera and having them be dead from self discharging if they've been sitting in the bag for a few months . That's the selling point IMO . My other rechargeable batteries have been relegated to TV and other home remote control devices . The eneloops are in my key electronics . If you have a charger already for other batteries , you're probably good to go without buying another for the Eneloops . Check the specs first though as using one can void the warranty on the batteries .
        • 105 4  This review is from : Sanyo Eneloop 8 Pack AA NiMH Pre-Charged Rechargeable Batteries ( Accessory ) I am very satisfied with eneloop batteries . I tested them out and they exceeded their typical mAh ratings slightly . I have not tested how long they hold their charge yet , but they seem to hold their charge better than standard NiMH batteries . Sanyo batteries ( I am using eneloop AAA and Sanyo AA NiMH ) also have a lower failure rate than other batteries I have used so I am assuming the eneloop AA will have a low failure rate also . I plan to switch over to eneloop batteries for all new purchases .
        • 106 4  I am very satisfied with eneloop batteries . I tested them out and they exceeded their typical mAh ratings slightly . I have not tested how long they hold their charge yet , but they seem to hold their charge better than standard NiMH batteries . Sanyo batteries ( I am using eneloop AAA and Sanyo AA NiMH ) also have a lower failure rate than other batteries I have used so I am assuming the eneloop AA will have a low failure rate also . I plan to switch over to eneloop batteries for all new purchases .
        • 108 4  Found a web page ( don't know where it is now ) where someone tested these out and wrote to Sanyo during his tests while he was trying to verify their claims . Turns out for long term storage , they hold their charge much better in the freezer . I'm no engineer though . I am converting to 100% eneloop . I think these things are amazing and am recommending them to everyone I meet .
        • 110 4  The best NIMH batteries I have purchased . I have several devices that I run on AA batteries and have tried many brands . The Sanyo Eneloop will not lose as much charge level while not in use as the other brands . My experience has been charge , store , and when used the power level is not significantly less as if they just came out of a charger . Great Product .

      Global Market ( in english )

      midi, music score     livejournal taktak0 blog