Duracell has changed hands a few times, but today, it's owned by Berkshire Hathaway — the same conglomerate behind Dairy ...

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 ...

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 ...

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 ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.