Energizer AAAA Batteries provide dependable power to your important electronics. These mini batteries make long-lasting flashlight batteries, and they're compatible with a variety of devices, including wireless mice and TV remotes. Trust these AAAA alkaline batteries to reliably power your key fob and Connected Home security system. Miniature alkaline quadruple A batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.