3S 40A 12.6V BMS/PMS Li-Ion Charging Balancer & Protection Module

Features:
Short circuit protection
Overcharge protection
Over-discharge protection
Overcurrent protection
Compact sizes
Can be used for 3.7V lithium cells
Specification:
Charging voltage: 12.6V - 13.6V
Maximum discharge current: 40A
Continuous charge current (upper limit): 20A
Dimensions: 60x41x3.4mm