Battery Brand: VCELL/OEM Battery Type: Lithium Polymer Battery Model: VP073538 Nominal Voltage: 3.7V Nominal Capacity: 850mAh 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: 5C(700 times