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

Detection and protection battery: Overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, overcharge protection. This product is component without battery core. 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. Built-in IC detects cell voltage and current. and remember the number of uses! PCB design may change due to changes with the supply chain and processing technology.