Battery D High Performance 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 1.3 in Height 2.3 in Overall Height 2.4 in Package Quantity 12