D Battery, D, Everyday, Capacity - Batteries 19,669 mAh, Standard Battery Series Procell Constant, Battery Chemistry Alkaline, Voltage - Batteries 1.5V DC, Standard Battery Pack Size 12, Max. Operating Temp. 130 Degrees F, Min. Operating Temp. -4 Degrees F, Shelf Life 10 yr, Diameter 1.31 in, Height 2.32 in, Overall Height 2.38 in, Package Quantity 12