Designed to deliver an extra boost of power, Duracell Plus Power batteries are available in sizes AA, AAA, C, D, 4.5V, and 9V. Duracell Plus Power batteries provide reliable power for your everyday devices such as motorized toys, flashlights, portable gaming consoles, remote controls, CD players, and more. The Duralock Power Preserve technology keeps them charged for up to 10 years during storage.