4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery)

Specification:

• 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
• Protection while discharging:  2.30~3.00V;
• Dimensions: 60mm x 46mm x 3mm
• Weight: 11g