1) high precision voltage detection circuit; 2) charger terminal using a high voltage device; 3) Integrated three-stage overcurrent detection circuit (overcurrent 1, overcurrent 2, load short circuit); 4) the MOS transistor can control the charge and discharge of the battery; Parameters: Voltage overload: 4.25 ± 0.05V Release overvoltage: 4.23 ± 0.05V Discharge voltage: 2.54 ± 0.1V Maximum continuous charge current: 2A Maximum continuous discharge current: 2A Overcurrent protection: 3A
