Energizer NH15BP-4 Rechargeable AA Battery 4 Pack
by Energizer Batteries
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Digital Cameras Photo Reviews of Energizer NH15BP-4 Rechargeable AA Battery 4 Pack
Customer Review: The Marathon Bunny
Summary: 5 Stars
If the original Energizer AA alkaline battery is The Bunny, a digital camera is a hungry wolverine, devouring 2 or 4 of them li'l guys at a time and spitting out an empty shell after just 20 to 50 pictures. Makes you wonder why every digital camera doesn't have a big sticker on the box screaming "FOR THE LOVE OF GOD, USE NiMH RECHARGEABLE BATTERIES!!"
The latest generation of Energizer Rechargeable batteries will outrun Energizer alkaline and lithium by miles, and come back for more after a trip to the recharger. They'll keep your digital camera fat and happy on a single charge provided you let them "cook" for at least 24 hours on the first charge. After that, use 'em as little or as much as you want and store them in the charger between uses.
As a "thrash" test, I charged a pair for 24 hours, removed them from the charger for another 24 hours and installed them in a Vivitar ViviCam 3746 3.1 megapixel digital camera. After taking over 100 pictures with both the flash and the LCD display switched on, the battery meter never dipped to the "time to recharge" mark. Remember, NiMH batteries aren't like those old NiCd batteries from way back in the 1990s. You never have to "drain" them regularly nor do you have to take them out of the charger to prevent overcharging.
The recloseable package provides a handy pocket pack for carrying a spare pair (if your digital camera uses 2 batteries), so the smartest way to use them is to buy 2 4-packs. Leave one set in the charger and take the other set when you head out for a day trip. On vacations, take along the charger and both sets of batteries. They don't take up that much room and you'll never have to buy an overpriced stale battery from a hotel gift shop.
Customer Review: Great batteries
Summary: 5 Stars
I used to buy excellent Maha rechargable batteries, but finally Energizer attracted my attention. Great price, great capacity. After about 20 recharges batteries are strong and do not show any signs of problems.
I use them in old, power hungry and very demanding Olympus E-10 camera. It is known to draw up to one amper of current and to declare batteries empty as far as their voltage goes slightly below 1.2 volts. Considering number of pictures I can take comparing to Maha 2100 MAh batteries, I can say Energizer is very strong performer and 2500MAh is not just a number.
Some users complained about very bad performance for Energizer.
There could be couple things to consider:
- make sure you have decent charger: many high capacity NiMh batteries can be destroyed easily with cheap (<$20) charger - overheat and overcharge are usual suspects
- some devices expect 1.5 volts, not 1.2 that all NiMh normally deliver; in general freshly charged good set of NiMh has voltage around 1.4 volts - but it goes down very fast to 1.2 v and stays there until batteries are nearly empty. Most modern cameras have "cut off" voltage set to 1.1 v
Update on Feb 7, 2007
I should mention that 4 out of my 12 Energizer batteries suddenly stopped to work. Surprisingly these are four spares I have not used much. I suspect that these batteries may develop a problem if left uncharged for prolonged period of time. For now I have bought Sanyo slow discharge Eneloop batteries (available at Amazon) as a replacement.
Customer Review: GREAT!! but MUST use good/correct charger
Summary: 5 Stars
I have about 30 of these AA batteries in our home and they rotate around from place to place with only 2 extra on hand. Have switched to the rechargeable scenario over 3 years ago and stated with 8 then kept buying more as we got more electronics. 3 years later and ALL of these are working great.
A few key points to keep in mind. Not all chargers are equal or good and price does not mean it is any better. I use these genuine Energizer charger and it is not too high priced (often comes in pack with batteries as a set). Rechargeable batteries will drain quite fast compared to regular batteries when just sitting around, so don't charge them and put on shelf expecting fully charged batteries a month later, just recharge batteries when they go dead or charge extra set when batteries in toy,etc start showing they are low. Lastly, not all rechargeables are the same-check the "mAh" number. The higher the better and if a battery does not show this number then you can safely assume it is a low number. The mAh is how much power battery will hold and thus tells you how long it will last. A 2450 mAh will last much longer than a 1800 mAh.
Customer Review: Great batteries, better than alkaline will ever be
Summary: 5 Stars
I bought these batteries because the Sony Cybershot digital camera I have had a hard time accepting alkaline batteries. Come to find out, the digital camera is only compatable with NiMH batteries. I bought these rechargeable batteries and couldn't be happier. It takes a few hours for them to fully charge, but otherwise they're great. They don't run out all the time like alkaline batteries, and even if they do run out, you don't need to waste money buying another pack of AA batteries for $2. Now that doesn't sound like much, but after awhile, it adds up, and rechargeable batteries are cheaper. Also, they seem to last about 10x longer (in my perspective) than AA alkaline batteries do (though some rechargeable batteries aren't that powerful). And now, I can take pictures with my camera, and load them into my computer, or do whatever (some alkaline batteries were so weak that my camera wouldn't even take a picture)! Highly recommended; go get a pair!
NOTE: The picture of the product is incorrect. It's actually 2500 mAh, which is a big bargain.
Customer Review: Essential If You Have High Drain Devices!
Summary: 5 Stars
These batteries are a amazing purchase. I use my digital camera for my business that takes 4 AA batteries. The camera would use regular batteries in about an hour. So I was buying 4.99 packs of batteries EVERY day (to get ONE hour of use out of them)before purchasing the Rechargeables and a charger. Sure, it seems like a lot of money at first but think about it this way. In A month of using my camera I would have spent well over $150 on old style batteries. Or I could spend the 25-30 for the charger and use these batteries.
The batteries have lasted over a year now and still charging and going. I have read that some people have issues with how long they stay charged. I however don't have this problem. I have only purchased one set, although two sets might be a valid investment so you can have one set charging while you use the other.
Either way spending the few extra dollars now on rechargeables will in the end be worth it. In this hi-tech, hi-dollar world, more things should be THIS reliable.