Battery Protection Module, 3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Current Protection Board Short Circuit Protection ?and Overcurrent Protection

Specification:Over Charge Detection Voltage: 4.28±0.05V Over Charge Release Voltage: 4.26±0.05V Over Discharge Detection Voltage: 2.5±0.1V Overcurrent Detection Current: 1-3A Overcurrent protection : 3.2±0.2A Size : 12.6x10.2x2.1mm Weight: 0.34g Wiring method: B- connected to battery negative B+ connected to battery positive P+ Connect the charger/load positive P- Connect the charger/load negative Applications: 3.7V lithium battery 18650 TP4056 Charging module DD04CVSA DD05CVSA Module Note: Please activate the protection board when charging for the first time. Otherwise there is no voltage outpu