BMS 4S 40A 16.8V 18650 Li-ion Charger Balancer

PRICE APPLIES TO 1 pc.

Module for charging li-ion cells 18650 or 26650 li-pol. Works with 4 cells or 4 cell packages (4S).

The latest version of REV. 2.3

• Improved anti-shell function
• 30% reduced heat generation
• increased starting power from 135W to 220W

Balancer version

• power supply / charging 16.8V - 18V
• Protection against cell discharge below 3V
• Protection against overcharging above 4.35V
• Short circuit and overload protection
• Max operating current 40A instantaneous 80A
• Max charging 20A
• Starting power 220W
• Dimensions 61x44x3.4mm
• weight 12g

The module can be used to operate portable power tools.

Note the system is designed to work with high current cells 18650 and 26650. The use of too weak cells may cause the system not to start.