4S 40A 16.8V 18650 Li-ion Battery Protection Board (BMS)
Guaranteed Safe Checkout
Description
Add an extra layer of protection to the charging and discharging mechanism of the 18650 Batteries in your project.
Features
Model: 4 string 16.8V lithium battery protection board Size: about 45 * 55 * 3.4mm 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