Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...
Remember Duracell’s PowerCheck? The idea was that a strip built into the battery would show if the battery was good or not. Sure, you could always get a meter or a dedicated battery tester ...
which works out to about 33 cents per battery. Meanwhile, a 40-pack of Duracell Coppertop Alkaline AA batteries costs $20.99, ...
and resting until batteries die), a top-rated Energizer lithium took 609 shots; the best of the alkalines, a Duracell, 76 shots; and the lowest-rated alkaline, just 49 shots. Our flashlight test ...