Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 8 Pack
by SANYO
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Digital Cameras Photo Reviews of Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 8 Pack
Customer Review: The "L" series of AA rechargables.
Summary: 5 Stars
I first ran into Sanyo Eneloops when they were marked down for a huge discount at a big-box store because no one was buying them. It always amuses me how we (people) can be so slow to accept something beyond the familiar. Since then I have learned to prefer them to every other brand of rechargables, pre-charged or not. (And I've tried every leading brand available). I even prefer the bundled Eneloop charger to the other "more famous" charger I had been using. The white design is aesthetically pleasant to boot. Although I have used some AAs rated for 2650 mah, in real life, these Eneloops seem to keep up with them, and far surpass any other 2000 or 2100 mah rated batteries. I have used them in my 20x super-zoom 10-megapixel digital camera to fill an 8-Gigabyte SDHC and never ran low on power. Whether it was hours of video recording or even several thousand still images, these have always had the juice I needed. I especially like them because I can leave them in the camera for weeks at a time, and when something comes up suddenly, I don't have to worry if they've gone flat since the last recharge. The only things I wouldn't use them in would be either a smoke detector(or similar device) or quartz-regulated clock, or maybe a remote control because they have such a low current drain and you don't want to change them more often than once a year. However, for mp3 players and such, they are unsurpassed -- and for Digital Cameras, these are the "L" series of AA batteries.Customer Review: Super Batteries
Summary: 5 Stars
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.
Customer Review: Perhaps those with trouble are quick charging all the time?
Summary: 5 Stars
A few months ago I had TWO big shoots IN ONE DAY!! One was a morning wedding and the other was a debutante ball with about 150 guests beginning at 6:00 P.M., lasting until after 10:00 P.M. I used my Nikon D700 with MB-D10 battery pack/grip and my SB900 Speedlight. I used ALL Eneloop batteries and did not have to change batteries in my camera at all for either event, but had to change the batteries in my speedlight at around 9 P.M. while shooting the ball. Over 90% of my shots were taken WITH flash overall. The venue for the debutante ball had absolutely horrible lighting conditions. It was like shooting in a dark bar at night! Every shot taken there was done with flash. The wedding was held in a rather dark church too, so to improve the look of the photos, all shots in the church were made using bounce flash. I used fill flash during the wedding reception.
I never NEVER charge my batteries at a rate higher than 200 ma, thus getting the maximum charge WITH the least amount of wear and tear on them due to heat buildup during charging. Yes, it does take a lot longer to charge at the 200ma rate. That's why I keeep many EXTRA batteries, just in case! If you're always doing a quick charge at 700ma or higher, your batteries will wear out much sooner! Take care of your Eneloops and they will take care of YOU! OH, by the way, I ALSO use the La Cross deluxe charger.
Customer Review: So far I like them
Summary: 4 Stars
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.
Customer Review: pretty good actually
Summary: 2 Stars
I ordered 8 eneloop AA batteries supposedly pre charged and slow to discharge. I promptly put two of them in my cordless mouse and it was giving me low battery warnings in just one day! I normally get about 8 days or more of use out of a normal nimh AA battery pair, any brand. Either they were 3 years old and had self discharged, or only partly charged in the first place, or all the hoopla about longevity is greatly over stated. Can't wait to try them again after charging them on my previously purchased, and working fine, eneloop charger. The charger is handy, and works fine though with all brands of AA nimh and AAA nimh cells.
UPDATE: I originally wrote a bad review of eneloops AA's since I put two of them in my cordless mouse and they only lasted one day, obviously weren't charged as claimed. I have since recharged them and the same pair has lasted two weeks now (and still going strong) in my mouse which is probably a record, since most other Nimh Chargables I have tried, mainly the big 3 brands, only last about 8 days, and they all had higher mah current ratings than these. I also have some AAA Eneloops working in a clock of all odd things, and a drink stirrer that is seldom used. Two thumbs up on eneloops -and two big toes. Pretend they are alkalines, but charge them in your eneloop charger and enjoy over and over.
Jim Larsen