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Battle of the Rechargeables

Our test of rechargeable AA batteries reveals that nickel- metal-hydride is the optimum technology, and Rayovac's 15-Minute Rechargeable I-C the top performer.


The AA test specimens—the disposables on the left and the rechargeables on the right—stand ready for action.
How many battery-powered devices do you routinely carry onboard? We did a quick check on a friend's boat and came up with the following devices: eight flashlights, one portable GPS, two handheld VHF radios, a digital camera, a clock, kitchen timer, binocular compass light, digital caliper, digital multimeter, portable CD player, portable MP3 player, icebox fan, deck vent fan, and a cell phone. Most of these devices use disposable batteries (really, they're throw-away since they don't dispose of well). In fact, on his extended summer cruise he characteristically stocks 48 AA batteries, 24 AAA batteries, 20 C batteries, 24 D batteries, three 9V batteries, and three 123 camera batteries. None…

 
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