Amazon.com: Battery Protection Board,10S 36V 30A Cell Battery Protection BMS PCB Board with Balance Function : Electronics
10S li ion 36V BMS with 50A constant discharge current and balance function for 42V Lithium battery pack for 1000W motor or less – LLT POWER ELECTRONIC
Bluetooth BMS 10s 36V 15A~30A for Lithium Battery Pack Electric Bicycle Ebike - China BMS for Electric Bicycle, PCB for Lithium Battery | Made-in -China.com