Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries Reviews

Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries

  • Charges both AA and AAA NiMH cells in 8.5 hours
  • Compact Charger ideal for camera and travel bags
  • Energy Star rated

One Compact Digital Camera Charger to charge rechargeable AA batteries. Included are 4 AA NiMH Rechargeable batteries.

Rating: (out of 201 reviews)

List Price: $ 21.99

Price: $ 15.69

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5 Responses to “Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries Reviews”

  1. NLee the Engineer says:

    Review by NLee the Engineer for Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries
    Rating:
    All rechargeable battery manufacturers love to boast about their product’s current capacity (mAh). But there is a dirty little secret that they don’t want you to hear: self-discharge rate. Simply put: a fully charged NiCd or NiMH cell will gradually lose its stored energy over time. Technical papers I have researched typically put the self-discharge rate at 10-20% per month for NiCd cells, and 20-30% per month for NiMH cells. This kind of self-discharge rate is usually acceptable in applications such as digital cameras.

    I bought 8 of those Energizer 2500mAh rechargeable NiMH batteries over one year ago. At first, I was very happy about the large current capacity offered by those batteries. But within a few months, I started to notice that they die very quickly in my digital camera. In fact, a set of Sony 2300mAh NiMH batteries I bought one year earlier seems to last much longer when used in the same camera.

    I recently did some controlled experiments (using the LaCrosse BC-900 AlphaPower Battery Charger) and found out what’s wrong: The Energizer NiMH batteries have very high self-discharge rate. After fully charging all 8 cells and left them on the shelf for one week, five of them lost over 30% of their charge, and the other three lost about 20%. In comparison, the set of older Sony batteries only lost around 10% over the same one-week period.

    So what this really means is: if I charge up those Energizer 2500mAh batteries and leave them in my camera for three weeks, they will become totally exhausted. I found this kind of self-discharge rate completely unacceptable, therefore I strongly advise against buying those batteries.

    [Update on April 9, 2007]

    I have hardly used those Energizer 2500mAh cells in the last few month. Now they have deteriorated even further. Five of them can’t even hold their charges for more then a day.

    Instead of the Energizer 2500mAh cells, I recommend buying the Rayovac “Hybrid” 2100mAh cells. They have very low self-discharge rate (see my review on “RAYO 4PK AA”) and are cheaper than the better-known Sanyo eneloop 2000mAh cells. Kodak also sells a “Pre-Charged” NiMH cell with exactly the same spec as the Rayovac Hybrid.

    The bottom line: Low-Self-Discharge NiMH cells are your best choices. There is absolutely no point in taking chances with older generation 2500-2700mAh NiMH cells now.

  2. Sean Kelly says:

    Review by Sean Kelly for Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries
    Rating:
    I bought a bunch of Energizer’s AA ACCU NiMH rechargeable batteries to power a halogen bicycle light and LEGO Mindstorms robots. Their performance has exceeded my expectations.The bicycle light seems as bright as it ever was with alkaline batteries, affording good visibility during night time cycling. And stopping play—er, experimentation—with the LEGO robots for recharging has yet to be a problem.However, I do have to issue this warning: these batteries are slightly fatter than standard AA batteries. I tried using them in a Mini Mag Light. After I got one battery in the light’s barrel, I realized—too late—that I’d never get the batteries back out. I ended up destroying the Mini Mag Light in order to retrieve the batteries.If your application is cramped for space, beware! If they do fit, expect good energy for a good long time.

  3. Vlad G says:

    Review by Vlad G for Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries
    Rating:
    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 (

  4. Dallas A. Babineaux says:

    Review by Dallas A. Babineaux for Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries
    Rating:
    I’ve found these batteries to be WELL worth the money. They are comparable to a good Heavy Duty (Non-Alkaline) set of batteries. I have a program on my palm pilot called FPSUtil3.5 that allows me to track the battery power curve over time:They don’t hold a top end charge for very long: 85% after only 30 minutes But they really hold up well after that: 68% after 2 hrs & 15 minutes (10 minutes of nightlight) – 54% after 3 hrs – 40% after 5 hrs – 38% after 8 hrs (15 minutes of nightlight) – 28% after 10 hrs – 18% (battery warning)after 11 hrs 30 minutesSo, after 11 hours and 30 minutes of power on over a 6 day period with 25 minutes of nightlight use, they are ready for a 5 hour charge… NOT BAD, seeing as to how I’m supposed to be able to charge them 1000 times. I think I’ll get my money out of them… ; )

  5. Anonymous says:

    Review by for Energizer Compact Charger With 4 AA NiMH Rechargeable Batteries
    Rating:
    I purchased 2 pairs of these batteries for my Palm Pilot IIIx because I was sick of spending a lot of money for non-rechargeable alkaline batteries. And I found them very reliable. There is no possibility of leakage with these batteries, because they are Nickel metal hydride, and they provide a large amount of energy for my Palm Pilot. Using them, I never found myself with empty batteries on the road. They are much better than NiCd batteries because they provide more then double mAh, and they do not loose their capacity with time. I would not trust any other batteries to keep my data safe, but Energizer. I use them in combination with Energizer charger for NiMH and NiCd battery family.

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