Model: 1T130 According to customer requirements Nominal Voltage: 3.7V Operating Voltage Range: 3V-4.2V Nominal Capacity: 1300mAh Charging voltage: DC 4.2V Charging current: DC 0.5A Operating Temperature: -20 ° C to +60 ° C Dimensions 180mm * 38mm* 8mm (180 including line length, can be adjusted according to customer requirements) Weight: 30 g Protection function: over-charge, over discharge, over-current over-voltage protection circuit, short circuit protection, over temperature protection