Anker Alkaline AA Batteries (4 Pack), Adaptive Power & Superior Safety, Long-Lasting & Leak-Resistant Triple-A Batteries with PowerLock Technology (Non-Rechargeable) Concerning this item Anker's Advantage Become one of the 50 million people who rely on our cutting-edge technology. Long-Lasting Power: Unlike other brands, this one can keep toys and game consoles operating for up to 240 days or power small devices like remote controls. PowerLock: Until you're ready to release it, the power is contained by an air and liquid seal. Ten-Year Life: It has never made more sense to purchase batteries in bulk. After they are first purchased, Anker Alkaline batteries continue to function flawlessly for up to ten years. Adaptive Output: Anker Alkaline batteries ensure long-term compatibility and universal compatibility by only providing the power your devices require.