Model IMR18650
Nominal Capacity(0.2CA) 3100 mAh
Nominal Voltage 3.70V
Charging Voltage 4.2V
Discharge Cut-off Voltage 2.75V
Max. Charge Current 2 CA
Max. Discharge Current 40A
Cell Dimension Diameter 18±0.2 mm
Height 65±0.2 mm
Cell Weight(Approx.) 50g
Initial internal impedance Max, at 1000Hz.) ≤10 mΩ (Charged)
Charging Current (CC/CV) Rapid charge 1CA×3.5hrs
Standard charge 0.5 CA×4hrs.
Operating Temperature Charge 0℃~60℃(32oF~113oF)
Discharge “-20℃~75℃(-4oF~140oF)
Storage “-20℃~45℃(-4oF~113oF)