Battery Type:Li-ion 18650 Voltage:7.4V Capacity:7800mAh Cells:6 cells Charge Cut off voltage: 8.4 V Discharge Cut off voltage: 5.5 V Standard Charging Current: 2.5 Amp Max Charging Current: 5 Ampv Standard Discharging Current: 2 Amp Max Discharging Current: 5 Amp  Dimension:69*57*36mm or customized according to requirements   All the battery specifications can be customized according to your requirements,please contact:sales@customizedbattery.com