Battery, AA, High Performance, Capacity – Batteries 3,400 mAh, Standard Battery Series Industrial 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 25 yr, Standards ANSI 15-LF, IEC-FR6, Diameter 0.6 in, Height 1.9 in, Overall Height 2 in, Package Quantity 24