Li-ion Battery pack 18650 5V 4000mAh

Configuration: 1S2P
Voltage: 3.6V raising to 5V
Capacity: 4000mAh
Charge Current: 0.5C
Discharge Current: 1C
Charge Cut-off Voltage: 5.3V
Discharge Cut-off Voltage: 3.0V
Max Charge Current: 1C
Max Discharge Current: 2C
Charge Temperature: 0℃ ～ + 45℃
Discharge Temperature：-20℃～60℃
Dimension: 38*23*68mm