Description Duracell Optimum alkaline batteries can deliver Extra Life is some devices, or Extra Power in other devices (vs. Coppertop AA). Optimum Batteries contain a new slider pack with a resealable storage tray that provides a more organized way to store your batteries. Proprietary cathode with two active ingredients Resealable package for convenient use – just peel, then reseal Storage tray to help keep your batteries protected and organized Our highest energy disposable AA MADE IN USA.
