These Energizer EN92 Industrial AAA Batteries will power high-drain devices such as flashlights and digital cameras, as well as provide long-lasting power in low-drain devices like remote controls and digital clocks. They have a stable zinc manganese dioxide (Zn/MnO2) chemistry, are able to function in a wide range of temperatures, and have an impressive shelf life of up to seven years. This 24-pack contains six boxes of four cells each, allowing for convenient transport and storage.