Coppertop AA batteries deliver dependable, long-lasting power. From storm season to medical needs to the holidays, Duracell is a trusted battery brand so you know it's a battery you can trust. Long-life alkaline batteries provide power to your lifestyle in devices like toys, remote controls, flashlights, calculators, clocks, radios, portable electronics, wireless mice and keyboards. Batteries are dependable after 10 years of storage.Coppertop AA batteries deliver dependable, long-lasting power. From storm season to medical needs to the holidays, Duracell is a trusted battery brand so you know it's a battery you can trust. Long-life alkaline batteries provide power to your lifestyle in devices like toys, remote controls, flashlights, calculators, clocks, radios, portable electronics, wireless mice and keyboards. Batteries are dependable after 10 years of storage.