Duracell Coppertop All-Purpose alkaline batteries are not only dependable, but they are also long lasting. With a guarantee of 5 years in storage, you can rest assured these batteries will be ready when you need them during storm season or power outages. Duracell Coppertop batteries deliver reliable power to your everyday devices throughout the home, like toys, remote controls, flashlights, calculators, clocks and radios, wireless mice and keyboards, and more.

AA and AAA sizes are also available in a new longer-lasting "Optimum" variety that can provide lasting power to your high drain devices or prolong the time between changing batteries in lower power uses.