- Input voltage: 5V
- Maximum charging current: 1000 mA
- Charge cut-off voltage: 4.2 V ?1%
- Battery overcharge protection voltage: 2.5 V
- Battery over-current protection current: 3 A
- Input interface: micro USB
TP4056 Lithium Battery Charger and Protection Module
TP4056 Lithium Battery Charger and Protection Module