Features:
- PowerEx Ultra high capacity AA batteries offer a super long run time! That's atleast 30-40% more than most competitors! Plus our batteries can be charged up to 1000 times.
- PowerEx batteries are manufactured to Industrial standards for the consumer market and last up to twice as long as ordinary rechargeable batteries.
- Includes a free battery carrying case.
- Memory free operation means you can charge PowerEX batteries anytime you like and don't worry you can charge 2500mah PowerEx batteries using any AA compatible Maha Charger.
Editorial Review:
Maha Energy is a global leader specializing in the design, manufacturing, and distribution of battery and charging technology for various industrial and consumer sectors. With state-of-the-art research labs and production facilities, Maha creates a global service network for both standard and custom-designed applications.PRODUCT FEATURES:PowerEx Ultra high capacity AA batteries offer a super long run time! That's up to 30-40% more than some competitors! Recharge hundreds of times;PowerEx batteries are manufactured to industrial standards for the consumer market;Comes with a PowerEx battery carrying case that can hold up to four AA or AAA batteries;Memory free operation means you can charge PowerEX batteries anytime;Excellent for power intensive devices like digital cameras, MP3 Players, Game Boy, CD Players, Global Position System, etc.
Customer Reviews:
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Avg. Customer Rating: 4.5 / 5.0 
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Less than a year of reliability 
I have to agree with another reviewer who said that after less than a year of use, these rechargeable batteries begin to self-discharge rapidly. Over the last 3 years, I have used 20 of these Powerex NiMH rechargeable batteries for my digital camera, and every single one of them had this problem. Within the first few months of purchase, they were able to retain their charge for several weeks when they were not in use (even that is not long enough). Then their ability to retain charge declined gradually to... more info
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Powerex 2700Ah NiMH Rechargeable Batteries 
These are the finiest rechargeable batteries made. I use them in my Nikon SB800 flash unit and recovery time between flashes is excellent.
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These die after months of use
Powerex AA rechargeable batteries
Although touted as having the power necessary to run digital cameras, these 2700 mAh batteries will last you less than a year. Unlike the current crop of batteries designed to hold charges for extended periods, these batteries won't stay charged in an unused digital camera for more than a day after a few months of use.
I checked to make sure it wasn't my camera draining the batteries- using Eneloops, it was clear there was not a power drain problem. Using the... more info
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Great batteries
This is the first time I have purchased rechargeable AA NiMH batteries. I purchased them specifically for a Canon 580EX II flash. Flashes eat up batteries. I have also used them in my MineLab metal detector. The batteries have worked great and I am very pleased with this brand.
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