4S 25A 18650 Li-ion Lithium Battery BMS Protection Circuit Charging Board 16.8V Module

The 4S 25A 18650 Li-Ion Lithium Battery BMS Protection Circuit Charging Board 16.8V Module is a battery management system designed for 4-cell lithium-ion battery packs. Providing overcharge, over-discharge, over-current, and short-circuit protection, this BMS helps improve battery safety and lifespan while supporting 14.8V nominal and 16.8V fully charged lithium battery packs.