Duracell AA batteries have up to 10 times longer lasting power*. These multi-purpose batteries are suitable for reliably powering everyday devices. Duracell AA batteries give you the freedom to enjoy the use of your appliances by giving you a product you can rely on. These 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, CD players, etc. Duralock technology keeps unused Duracell batteries fresh and powered up to 10 years in ambient storage. Duracell Coppertop alkaline batteries provide power to your lifestyle in devices like: Toys, Remote controls, Flashlights, Calculators, Clocks and Radios, Portable Electronics, Wireless Mice and Keyboards. Superior Nylon top closure helps preventing our batteries from leakage.