Alkaline battery - alkaline AA, 1.5V, 4 pcs, blister Duracell is deservedly one of the most used and trusted battery brands in the world. The unique Duralock Power Preserve technology ensures that batteries remain fully usable even after ten years of storage. Their remarkable reliability makes them ideal for powering everyday devices and appliances, and they can also serve as a solid backup energy source. This pack includes four standard 1.5V AA alkaline batteries.