Batteries remain an essential part of using many devices. We've got all the best Black Friday battery deals lined up here.

The Energizer Recharge Power Plus AA and AAA batteries are of the new breed of Ni-MH batteries. As such, they’re not only free of the ‘memory effect’ for which older Ni-CAD batteries were ...

Unlock to see our ratings and compare products side by side The Energizer Ultimate Lithium AA is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like ...

Here you can grab a quality charger with four AA Energizer batteries. The smart battery charger takes just three hours to charger Energizer batteries, and it can handle charging both AA and AAA ...

Listen up: We tested 15 AA batteries—the type typically ... and resting until batteries die), a top-rated Energizer lithium took 609 shots; the best of the alkalines, a Duracell, 76 shots ...