Duracell® is the #1 trusted battery brand. Duracell® CopperTop all-purpose alkaline batteries are not only dependable, they’re also long-lasting. You can take comfort in a 10-year guarantee (5-year guarantee for 9V) in storage with Duralock Power Preserve™ Technology. Best uses: Toys, remote controls, flashlights, calculators, clocks and radios, portable electronics and wireless mice and keyboards.
