Energizer (who also makes Eveready ... The biggest challenge was comparing alkaline batteries to rechargeable batteries since they don't act the same. To start, we sourced broad battery ...

(Note that the batteries aren't rechargeable. In past tests we've ... and resting until batteries die), a top-rated Energizer lithium took 609 shots; the best of the alkalines, a Duracell, 76 ...