Duracell offers a wide range of batteries to be used in electronics that require reliable power. Duracell Plus AAA batteries are alkaline batteries ideal for powering all your everyday devices. These batteries are perfect for powering everyday devices, such as motorised toys, flashlights and digital audio devices. Duracell Plus AA has up to 100% extra life. Unused Duracell batteries can stay powered for up to 10 years in ambient storage.