This is a 3S 20A Battery Protection Board Module with Nickel Strip, designed for 3.7V lithium battery packs. It includes essential protection features and comes with nickel strips for assembly.
The module is a Battery Management System (BMS) for 3-cell lithium-ion or lithium-polymer battery packs in series. It provides protection against overcharge, over-discharge, over-current, and short circuits.
Ensure correct polarity when connecting the battery cells and load. The nickel strips are intended for spot welding to the battery terminals for a secure connection.