Lithium Battery Charger Protection Module (BMS) 3S/4S/5S 25A

From the shop's description

Specifications: Single Cell overcharge protect voltage: 4.23 – 4.28V Single Cell overcharge protect recover voltage: 4.08 – 4.18V Overcharge protect delay: 0.5 – 1.5S Single Cell over-discharge protect voltage: 2.72 – 2.88V Single Cell over-discharge protect recovery voltage: 2.9 – 3.1V Overcharge protect current: 60A Over-discharge protect current: 60A Over-discharge protection delay: 0.5 – 1.5S Temperature protection: YES Disconnect protection: YES Shortage protection: YES Shortage delay: 100 – 600μS Shortage protection recovery: YES Charging current: 25A Discharging current: 25A Charging voltage : 12.6V for 3S BMS board 16.8V for 4S BMS board 21V for 5S BMS board You can change the Series by adjusting the oΩ resistor(or shortcut by tin) as below: