Editorial Review:Product Description:Energizer Rechargeable NiMH round cell batteries' leading-edge technology makes them ideal for the most advanced, high-drain devices--digital cameras, personal digital assistants (PDAs), hand-held games, portable CD players and palmtop computers. Our high-capacity cells provide exceptional power per charge and up to 1,000 recharges. And since they're renewable and reusable, Energizer Rechargeable batteries are a good economic and environmental choice.
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Customer Reviews
Average Rating:
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another victim . . .
Avoid these batteries!!!!!! My experience is similar to many others. Good initial performance, and then these bloody Energizer batteries can't hold a charge. Unfortunately before I discovered how crappy they really are, I bought a bunch of them, for use in my digital cameras and camera flash units. When these babies fail, performance falls like a lead balloon. They might have enough power to operate a remote control unit, but you can forget about powering anything with a major power draw.
Unfortunately Energizer is extremely successful at getting stores to stock this junk. I get real annoyed whenever I see them on display, because it reminds me of all the money I wasted. They seem to be available everywhere, a constant reminder of a disaster. How does a product that is so bad, get such great distribution and remain available for sale? Energizer probably gets off easy, because it takes a while for their batteries to go bad. By then, it's less likely that people will complain or return them. Blasting them here is like therapy for me.
As an alternative, I strongly recommend Ray-O-Vac Hybrid cells, which have worked very well for me so far.
Rating: 
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Interesting discovery
I have purchased 3 packs of these energizers at different times in the past few years. I recently noticed that one of the packs last MUCH longer than the other two. The difference is that one pack in made in Japan and has a gray/green top surrounding the the + terminal. The other is made in China and has a black top surrounding the + terminal.
The surprise is that the China made black top batteries are the ones that last much longer. I use these in an electric toothbrush, and they will last 2 or more months on a single charge. The Japan made ones only last a couple weeks. I can't say if this will apply for everyone, but all 4 of the China Energizers greatly outlast the other 8 Japan Energizers I own.
Rating: -
These things are garbage
I should first say that I really wanted these to work. They are easily available at local retailers, they're reasonably priced, and we have a lot of AA-powered devices that were driving me to the poorhouse in battery costs.
I bought the first set of eight, and found that batteries left in the camera for about a week would discharge enough so that the camera wouldn't run.
I thought it was the charger, so I bought another set of 8 (in case I ruined the first set by overcharging them) with the newer charger they sold. These had the same problem.
I tried figuring out a rotation schedule so that I could use the (16) batteries in the camera... the problem is, they're pretty much useless 3 or four days after a charge, so there isn't any way to know when to put them in the charger to have a fresh set ready when the set in your camera runs out of juice.
I read one review that pointed out that maybe it was a 'cheap' charger... well, I only used the charge that was sold with the batteries!!! It seems a reasonable assumption that the charger the silly things were sold with would be the one you would want to use!
Regarding overcharging... these charger have nice little lights which I think are supposed to go out when charging is complete. Well, the lights never go out. So I tried charging them according to the time table in the included instructions. In fact, I've never been able to get them charged enough to use the camera using those times.
So, overcharging is determined by how? When they start to get warm? Well, supposedly if they get warm, they get damaged.
I really hate the fact that I spent so much $$$ on 16 batteries and two chargers. I should have read the amazon reviews before purchasing...
Rating: 
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Great item for cameras
We use these in digital cameras and they work great. best of all we just charge them up when they die and keep on shooting. Also useful for wireless mouse - which otherwise kills batteries.
Rating: -
horrible self discharge
i have 8 of these and all of them self discharge to 0.9 v in less than a month.
Additionally, after maybe 10 cycles 4 of them are now flat 3 days xafter charging. 1 does not hold any charge at all
