SAVE 49%: A 20-pack of Duracell AA batteries is on sale at Amazon for just $9.70, down from the normal price of $18.99. That's a savings of $9.29. A few things in life pose quite an issue when ...

Listen up: We tested 15 AA batteries—the type typically used ... the best of the alkalines, a Duracell, 76 shots; and the lowest-rated alkaline, just 49 shots. Our flashlight test involves ...

But while most people think of their iconic copper-top AA and AAA batteries, Duracell's reach extends far beyond household electronics. The company also produces a range of heavy-duty batteries ...