Rechargeable Battery, Battery Size AAA, Battery Chemistry Nickel-Metal Hydride, Voltage - Batteries 1.2V DC, Recharge Time 3 hr, Capacity - Batteries 800 mAh, Shelf Life 3 yr, Rechargeable Up To 1500 Times, Precharged Yes, Max. Operating Temp. 122 Degrees F, Min. Operating Temp. 32 Degrees F, Standard Battery Pack Size 2, Standards ANSI-1.2H1, IEC-HR03, Diameter 0.4 in, Height 1.7 in, Overall Height 1.8 in, Standard Battery Series Recharge Power Plus, Package Quantity 2