Rayovac Rechargeable NiMH Batteries, AAA Size, 4-Count Packages (Pack of 2) Review

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(More customer reviews)I have used Sanyo, and another less expensive brand NiMH. None of them held a charge very long. These batteries, hold a charge as well as buying a new throwaway, however the charge lasts longer. I am thrilled, I just ordered another Rayovac charger and C, and D rechargeable's. It may cost me more now however it will save me more, and be good for the environment as well.

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The high-capacity, 700 mAh Rayovac NM724-4 Rechargeable NiMH AAA Batteries last up to three times longer in digital cameras than standard alkaline, and can be recharged up to 500 times. That means more shots on a single set of batteries, not to mention thousands of dollars in savings on batteries for your high-drain digital still camera. Plus, with Rayovac NiMH batteries, there are no "memory" problems -- recharge your Rayovac batteries any time, even if they are only partially drained.
Usage Tips
Always charge NiMH batteries before first use
For maximum performance, charge batteries prior to using if stored for more than one month
Charge in any Rayovac NiMH Battery Charger (Note: older Rayovac Renewal rechargeable alkaline power stations or battery chargers do not charge NiMH batteries)
NiMH batteries can be disposed of with regular trash -- NiMH is safe for the environment
What's in the Box One four-pack of Rayovac NM724-4 Rechargeable NiMH AAA Batteries (four total batteries).

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8-Pack Long-Lasting 2200mAh HYBRID AA Ni-MH Rechargeable Batteries w/ Latest Hybrid Technology Review

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(More customer reviews)These were great for the first six months, but then started to degrade significantly after that. I use the top-of-line slow recharger from MAHA, and even with attempts to revive them two of four wouldn't hold a charge and my camera wouldn't even turn on with the batteries fresh from the charger.
The weight of these batteries gives you some sense that these could be subpar made - when I compare the weight of these batteries in-hand with those from another manufacturer I noticed these have half the weight of other AAs. I recommend the Green hybrid series from Sony or regular NiMH batteries from from Panasonic or Sony (orange series) that have

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Why Accessory Power's truCELL AA NiMH Precharged Rechargeable Batteries?Accessory Power's truCELL Rechargeable Batteries can replace your drawerful of those expensive and disposable single-use Batteries.truCELL Rechargeables are made withTop-of-the-Line Materials and are economical, reuseable, and an Eco-friendly replacement to either your throw-away alkalines or for underperforming rechargeables.truCELL Precharged Rechargeable batteries have advantages over other rechargeables that put them in a league of their own.truCELL truCELL Rechargeable Batteries are a guaranteed with a minimum of 2200mAh and that means a quality, High Capacity Battery, as well as Low Self Discharge which means your truCELL rechargeable Batteries won't lose their charge, even after a long storage time.Accessory Power's truCELL Rechargeable Batteries should be your new choice for rechargeables because:They come precharged and can be used right awayThey consistenly yield high performance, even through more than 1,000 charge cyclesThey have a long shelf life with no loss of energyThey can be used everywhere you currently use standard AA BatteriesThey are Eco-friendly and economicalMake Our Superior truCELL Rechargeable, High-Capacity and Low Sefl Discharge AA NiMH Batteries your new brand of Rechargeable Batteries!

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Rayovac Rechargeable NiMH Batteries, AA-size, 8-count Carded Pack Review

Average Reviews:

(More customer reviews)The latest family of Rayovac rechargeable NiMH batteries are all missing one thing: the capacity rating. Previously, you can see the charge capacity (such as '2500mAh') marked on every package and also on each cell. But newer Rayovac rechargeable NiMH cells are just grouped into three classes ('Everyday-Use', 'High-Energy' and 'Hybrid'), with vague claims such as 'Up to 275 photos' printed on their packages.
Of course, those claims make very little sense to us, because Rayovac never tell us which camera was used, and under what test conditions were those photos taken.
After a lot of searching, I was able to find the spec sheet for those cells from rayovacindustrial dot com:
- NM715-4OP 'Everyday-Use' AA, 'Up to 275 photos': capacity=1400mAh
- NM715-4B 'High-Energy' AA, 'Up to 375 photos': capacity=1900mAh
- LD715-4A 'Hybrid' AA, 'Up to 400 photos': capacity=2100mAh
The item offered here is the NM715-8OP (the 'OP' stands for 'Opening Product'). It has the LOWEST capacity amoung all Rayovac NiMH batteries. I have tested some in my La Crosse BC-900 Battery Charger, and the average capacity is actually higher than spec at 1500mAh. But this number is still very low by today's standard for NiMH AA cells. So although the price looks attractive, this is just not a good value.
As of this writing, this 8-pack (NM715-8OP) is actually priced higher than two 4-pack (NM715-4OP). Furthermore, the Rayovac 4.0 AA 4-PACK is available at even lower cost. Those are low-self-discharge cells with higher capacity of 2100mAh. So it is a no-brainer which package you should buy.
[Update on July 16, 2010]
I recently discovered a hidden benefit of those Rayovac 'Opening Product' AA cells: they are exactly the same size as alkaline AA cells, while other NiMH cells with capacity 2000mAh or over are all slightly thicker. So for some appliances with extremely tight battery compartment (such as the Rayovac Sportsman Xtreme 1W LED Flashlight), those are the only rechargeable cells I can use.
[Update Sep 4, 2010]
As if the offerings above is not confusing enough, Rayovac has now discontinued the 'Hybrid' series, and replaced it with another two types:
- LD715-4OP 'Pre-Charged': capacity=1400mAh
- PL715-4 'Platinum Pre-Charged': capacity=2100mAh

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Rayovac AA Rechargeable NiMH Batteries can save you $100's over standard alkaline batteries.

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