Duracell has a very long history, well before its time with car batteries, and you might be interested to know where they're ...

but the ones on the Duracell batteries used the Kodak system. In practice, you pushed two dots on the battery, and you could see a color strip that showed how much capacity the battery had left.

Batteries, even name-brand ones ... Duracell is in a similar situation. Duracell alkaline AAs test well, though not spectacularly. Because the brand is so well-known and widely available ...

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 ...