PLEASE NOTE THIS IS 1-OF ONLY THE BOARD IS MULTI USE AND CAN BE CONNECTED AS 3S / 4S / OR 5S
Specifications:
 
Single Cell overcharge protect voltage:  4.23 - 4.28V  
Single Cell overcharge rotect recover voltage:  4.08 - 4.18  
Overcharge protect delay:  0.5 - 1.5S  
Single Cell over-discharge protect voltage:   2.72 - 2.88V  
Single Cell over-discharge rotect recover voltage:   2.9 - 3.1V 
Overcharge protect current:  60A  
Over-discharge protect current: 60A 
Over-discharge protectdelay: 0.5 - 1.5S
Temperature protect: YES
Disconnect protect: YES
Shortage protect: YES
Shortage delay: 100 - 600μS
Shortage protect recover: 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
 
Package Included:
 
1 x 3S BMS 25A 12.6V 4S 16.8V 5S 21V 18650 Li-ion Lithium Battery Protection Board