Duracell Coppertop AAA alkaline batteries contain Duracell’s patented POWER BOOST Ingredients which deliver lasting performance in your devices Duracell guarantees each Coppertop AAA alkaline battery to last 12 years in storage, so you can be confident these batteries will be ready when you need them : Duracell Coppertop AAA batteries are made to power everyday devices throughout the home, like TV and gaming remotes, cameras, flashlights, toys, and more