Battery D Premium Capacity - Batteries 16 500 mAh Standard Battery Series Industrial Battery Chemistry Alkaline Voltage - Batteries 1.5V DC Standard Battery Pack Size 12 Max Operating Temp 130 Degrees F Min Operating Temp 0 Degrees F Shelf Life 10 yr Standards ANSI Diameter 1.3 in Height 2.3 in Overall Height 2.4 in Package Quantity 12