BMS 7S 24V 20A 18650 Battery Protection and Balancing Board will protect battery pack from overcharging, over-discharging over-current and short circuit.

It has balancing feature to keep all batteries at same voltage level, that will increase the battery pack efficiency and extend life of battery.

This protection board is used for 7 in series  Lithium batteries, comes with wire. Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries.

 Specifications of 7s BMS :

 Over-current Threshold: 40A      

 Over-current Release: Disconnect load release

 Working Current; 20A

 Size: 90mm*47mm*10mm / 3.54*1.85*0.39"

 Equalizing Current: 80mA  (VCELL=4.20V)

 Equalizing Point: 4.18±0.03V

 Overcharge Threshold: 4.3±0.05V  

 Overcharge Time Delay: 75mS

 Overcharge Release: 4.05±0.05V

 Over-discharge Threshold: 2.4±0.08V  

 Over-discharge Time Delay: 5mS

 Over-discharge Release: Disconnect load, and voltage of each battery cell is higher than over-discharge threshold

 Quiescent Power Dissipation: <500uA

 Short Circuit Protection: Yes, disconnect load can self-recovery