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: These things are garbage
Summary: 1 Stars
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...
Customer Review: Terrible self-discharge
Summary: 1 Stars
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.
Customer Review: Unreliable Energizer 2500 mAH AA experience
Summary: 1 Stars
I've been using NIMH batteries from SANYO, NEXCELL, POWEREX and AccuPower for over 6 years. Use them for everything from high current drain digital cameras and high-end digital audio recorders to CD players, bathroom scales and flashlights.
I rely on two of the excellent MAHA MH-C401FSB smart 2-rate chargers. These charge and monitor each battery independently, not in pairs. Energizer 2500 mAH units were fine for about three months. Then I noticed that devices would be calling for new batteries with little to no use. This has never happened with other AAs NIMH, including those with less than half the advertised capacity. The MAHA charger also started reporting that some of the Energizer AAs were not taking a charge at all.
Kept finding that typically one out of four were the problem. Many of the 32 AA Energizers I bought have had problems. Repeatedly have had one battery run out of charge while others still test very strong. Felt pen dots put on discharged batteries showed it was the same batteries time and time again. Have reverted in some cases to 1600 mAH SANYO OEM batteries put in service in Feb 2001 and those provide longer and more reliable performance!
In my considerable experience with these 2500 mAH AA Energizers they have been a very big disappointment and, regardless of warranty, cannot be relied upon.
Customer Review: another victim . . .
Summary: 1 Stars
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.
Customer Review: Energizer Rechargeable Batteries
Summary: 1 Stars
I've been doing some comparison testing with rechargeable batt. over the past few years and can say the name brands like Duracell, Engergizer are worse than off name brands like Chicago Electric sold at Harbor Freight. I have used slow chargers that take about 15-24 hrs. to charge 4-AA batt. depending on batt. and the Chicago Electric last longer without loosing charge. They can sit for weeks without going dead but a Duracell or Energizer will be dead in 1-2 wks.without use. Some will be completely dead in 1 wk. I also have had some name brands stop charging in a short period of time causing charger to flash showing defective batt. but have not had any Chicago Elec. do this yet. I have a 15 min. Engergizer emergency charger and a slow charger. Obviously the slow charger works best. Looking at the prices on here the Chicago Elec. cost more but they last longer so you get what you pay for in this case.