Duracell alkaline batteries are available in size AA, AAA, C, D and 9V. Durack technology keeps unused Duracell batteries fresh and powered up to 10 years in ambient storage. These batteries give you the freedom to enjoy the use of your appliances by giving you a product you can rely on. The Duracell batteries are best used when you are looking for reliable, long-lasting power in your every day devices such as motorized toys, flashlights, portable games consoles, remote controls, etc.