Why I buy this one ?
- Four AA NiMH rechargeable batteries
- Great for the environment
- Ideal for the most advanced, high-drain devices, like digital cameras

BlueProton offers this stuff with condition New, new for:

Price : $7.55 Usually ships in 1-2 business days

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mel pierce camera & digital offers this stuff with condition New, new for:

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What our customer's say!

"Good Rechargeable battery", Overall works very well. Holds charge well. Gets 20 or so full recharge/drain cycles before starting to taper off on holding a charge. 30 or so is the limit. However, that's not a bad return on investment.


"Dead", I have a whole bunch of these along with a lot of other rechargeable batteries and these ones are the worst by far. They only work for about 15 minutes now and then die. It's takes probably a year to get to this point. I could have saved money by buying regular batteries for the amount of use I've gotten out of these.

"Very short lifetime", The lifetime of those batteries are so short you would need dozens and overwhelming look after for continuous recharge. Not money worthy.

"Don't waste your money", As others have said, these batteries do not hold a charge at all. I have 20~ of these that I mostly use in Wii and Xbox 360 controllers, with 6-8 to spare for when one set goes dead. They're always charged as soon as they're taken out and then put back in a case with the other reserves. Often times it might be 3-4 weeks before I have to change some out, and at least 1/2 of the time the replacements are already dead.
I have 4 Sony batteries in the mix, and as another poster has mentioned, I've also noticed that they seem to hold their charge much better.

"Warning! High discharge rate", After replacing my old Sony rechargeable batteries after 3 years of solid use, I wanted to go in another direction and bought these from a supposed battery-specialized company. At first I thought the reason why, after charging the batteries a couple days before, the first pair was at mid charge while the spare batteries could not even turn my camera on, was due to using a Sony charger. After that I bought an Energizer charger with another four batteries.
Guess what? the same thing. The only way you can use these is if you charge them right before use (8 hours!) and practically makes no sense carrying a spare pair as they will not work when you need them.
I really recommend avoiding these and going with Sanyo Eneloops, just as I did.

Read this reviews before You buy...

"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...




"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.

"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

"They can't hold a charge. Try Duracell instead?", I have about two dozen NiMH rechargeables I use for various electronics devices, including three Nikon flash heads and a GPS. My Energizer 2300mAh and 2500mAh (marked NH-15AA) are much less reliable than my Duracell 2050 mAh. They discharge soon after recharging, and at least 20% are markedly worse than the others; almost one quarter of them are duds and I eventually discard them.

Note that I last bought these a year ago, and they are marked NH-15AA. Maybe Energizer has improved them, or they might simply be rebranded. However, the packaging looks identical.

I'd recommend Duracell instead.

I keep a battery meter next to my MAHA charger, and often find that one of the four batteries I remove from my device is significantly weaker than the other three. When this happens, I write a note on the side of the battery. After three strikes, I throw that battery away. I have discarded and recycled at least five Energizers, and can't recall throwing away a single Duracell.

"Terrible self-discharge", Several years ago when these came out I bought a whole bunch of them because I had previously been using the Rayovac rechargeable NiMh and they just didn't seem to hold a charge for very long. The Energizer ones seemed to be the best thing since sliced bread because they hold 2500 mA, meaning they should last longer, in theory. Well, the great performance in my digital camera only lasted so long. After a few months, I started noticing that my camera would flash the low-battery icon after only taking a handful of photos but couldn't figure out what the deal was. I tried buying new ones which started doing the same thing. As it turns out, it was that dirty term called "self-discharge rate" that was the culprit. Most tests now show that the Energizer rechargeable NiMh batteries have an absurdly high self-discharge rate. If you charge the batteries and keep them on hand for a month or so until you need them, there will be hardly any charge left in them! If I charge the batteries and pop them into the camera right from the charger, they last a long time. Otherwise, it stinks.

I much prefer the new Sanyo Eneloop batteries. They were engineered specifically to reduce the self-discharge rate. They are MUCH better. And it appears they cost less than the Energizer batteries. Don't worry about the mA rating being lower. The charge that your Energizer will have after sitting around for a few weeks will be lower than the 2000 mA in the Eneloop after the same amount of standby time.