Features:
Nitecore IMR 18650 rechargeable batteries.
Capacity: 3100mAh
Voltage: 3.7V
Cutoff Voltage: 2.75V
Regular Charging Current: 1.5A
Max Pulse Discharge: 35A
Max Continuous Discharge: 20A
Chemistry: IMR
Charging Temperature Range: 32° - 122° F (0°-50° C)
Discharge Temperature Range: -4° - 167° F (-20°-75° C)
Recharge: up to 500 cycles
Length: 2.55" (64.85mm)
Diameter: .72" (18.33)mm