The Duracell CopperTop AA Batteries 16-Pack are perfect for all of your devices at home. The efficient CopperTop batteries are engineered to deliver just the right amount of power for all of your household devices, including flashlights, toys, alarm clocks and more. These batteries are guaranteed to deliver long-lasting power for up to seven years, and the frustration-free, easy-to-open, recyclable box offers convenience.