Not sure what's wrong here...(2s BMS) : r/batteries
Battery Management System (BMS) For Lithium Battery Pack
What is a Battery Management System (BMS)? - AVID Technology White Paper
10S 36V PCB and 7S 24V battery BMS with On-OFF Switch and high temperature protection 20A constant discharge current for electric bike water bottle Battery – LLT POWER ELECTRONIC
High Voltage BMS For Energy Storage System and LiFePo4 battery packs
China Niu BMS Lithium Battery Protection Board 12-20s& 50A-150A for Electrical Motorcycle Free Crack Module - China Lithium Battery Protection Board, Niu BMS