A battery protector is a device that protects your lithium battery of any capacity against overcharging, deep discharge, overcurrent and short circuit. This small PCB module is equipped with a JST connector to which the battery can be connected or soldered directly. https://elecena.pl/product/25977679/333049-developer-boards-li-ion-battery-protection 2024-05-26 https://elecena.pl/product/25977679/333049-developer-boards-li-ion-battery-protection 2025-09-04