Jrifedptry Li-Ion Battery Charging Protection Circuit Board PCB for Greenworks 40V Lithium Battery Lawn Mower Cropper Grass Cutter

Built-in IC detects cell voltage and current. and remember the number of uses! Detection and protection battery: Overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, overcharge protection. It is used to repair and assemble batteries pack, only for people who are familiar with battery performance and have practical experience in battery assembly. This product is component without battery core. PCB design may change due to changes with the supply chain and processing technology.