Archive for Powerex
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Capacity Test of Powerex IMEDION AA Batteries
Late last year, Maha Energy - the maker of Powerex batteries and chargers, introduced a low self-discharge rechargeable battery called the ‘IMEDION’. The IMEDION batteries are compatible with NiNH battery chargers and are available in 2100mAh capacity for AA size and 800mAh for AAA.
Maha states that IMEDION batteries retain up to 85% of their charge [...]
Capacity Test of PowerEx 2700 NiMH Batteries
In the quest for the perfect power source for my Canon Speedlite 580EX, I purchased a new set of Maha PowerEx 2700 NiMH rechargeable batteries from EastGear here in Singapore. Then, I measured their discharge capacity using a LaCrosse AlphaPower BC-900 charger. (See my earlier post for tips on using this excellent charger/tester effectively.)
Capacity Test of PowerEx 2500 NiMH Batteries
Robert has read claims that PowerEx 2500 AA NiMH rechargeable batteries are conservatively rated or under-rated with respect to their nominal capacity. These batteries are being advertized as the best in their class. Marketing phrases such as “ultra high performance” and “true capacity plus” are being used by distributors and dealers. On Maha’s website, they [...]
