Battery AA High Performance Capacity - Batteries 3 400 mAh Standard Battery Series Ultimate Lithium Battery Chemistry Lithium Voltage - Batteries 1.5V DC Standard Battery Pack Size 24 Max Operating Temp 140 Degrees F Min Operating Temp -40 Degrees F Shelf Life 20 yr Standards ANSI 15-LF IEC-FR6 Diameter 0.6 in Height 1.9 in Overall Height 2 in Package Quantity 24