Color Blue Brand No Model 18650 Quantity 1 Set Material Li-ion Cell Type Lithium Ion Battery Model 18650 Mark Capacity 12000 mAh Actual Capacity 12000 mAh Voltage 3.7 V Rechargeable Yes Rechargeable Times Others500 Built-in Protected Circuit No Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Mercury Free Yes Other Features Charge voltage: 4.2V Nominal voltage 3.7V; Charge current standard charging:0.5C rapid charge1.0C; Standard charging method 0.5CCC (constant current) charge to 4.2V then CV(constant voltage 4.2V) charge till charge current decline to Certification CE Packing List 1 x Battery pack