Battery Type: Lithium Ion Battery(NCM) Battery Brand: VCELL/OEM Model: ICR18650-1S1P Nominal Voltage: 3.7V Nominal Capacity: 2200mAh Charge Cut-Off Voltage: 4.2V Discharge Cut-Off Voltage: 2.75V Standard charge current: 0.2C Max charge current: 1.0C Standard discharge current: 0.2C Max continuous discharge current: 1.5C Peak discharge current: 3C(700 times