4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance For Drill Motor 14

Feature:

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, polymer lithium battery) Product Size: 45 * 55 * 3.4mm (Standard Edition / Enhanced), 46 * 60 * 3.4mm (balanced version) Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version) 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 Equalization version: suitable for starting current below 80A, power 135W below the drill.

Project	Min.	Typ.	Max.	Units
Consuming?current	12	18	24	uA
Overcharged?protection voltage	4.2	4.25	4.3	V
Balanced?starting?voltage	4.17	4.2	4.23	V
Equilibrium?current	95	100	105	mA
Balanced?heating?power