the Duracell Coppertop 9V alkaline battery is made to power everyday devices throughout the home, like toys, remote controls, flashlights, clocks and radios, portable electronics, and more ...

Unlock to see our ratings and compare products side by side Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more ...

Unlock to see our ratings and compare products side by side The Duracell Coppertop Duralock AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries ...