Battery Type:Li-ion Voltage:14.8V Capacity:7800mAh Dimension:202*74*20mm Charging method:CC/CV Limited charging voltage:16.8V Charging current:1560mA(0.2C) Charging time:6 hours Rapid charge:3900mA(0.5C),2.5hours Discharge cut-off voltage:11V Weight:600g Suitable for:medical technology/ industrial applications /surveying equipment /and other radio remote controls etc