BATTERY AA ALKALINE One of the most commonly used battery sizes, these AA cells work effectively in everything from high-performance gadgets like LED flashlights and digital cameras such as flashlights to less demanding electronics like remote controls and calculators The batteries feature a cutting-edge Zinc Manganese Dioxide (Zn/MnO2) chemistry that can operate in harsh hot and cold temperatures, and gives the cells a substantial shelf life of up to 7 years Each 24-pack's box packaging contains 6 smaller boxes of 4 cells each