Lithium Battery Charger Protection Module (BMS) 4S 40A 16.8V

Specification of 4S 40A 14.8V BMS Lithium-ion 18650 Battery Protection Board
Battery:4 Cell
Overcharge detection voltage (V):4.25 ± 0.025
Over-discharge detection voltage (V):2.50 ± 0.08
Over current Protection (A):40
Working current (A):20
Operating Temperature (°C):-40 ~ +85
Length (mm):60
Width (mm):45
Height (mm):3.5
Features of 4S 40A 14.8V BMS Lithium-ion 18650 Battery Protection Board
4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery).
Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, a polymer lithium battery).
Charging voltage: 16.8V – 18.1V.
Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use).
Continuous charge current (upper limit): 20A.