Amazon.com: 12V 100A 3Series BMS Protection Board with Balancing for 18650 26650 Li-ion LiFePO4 Battery Pack : Industrial & Scientific
4S or 3S 12V Li ion or Lifepo4 Battery smart BMS with Bluetooth function UART and RS485 communication with 60A to 120A constant current – LLT POWER ELECTRONIC
4s BMS 120a LifePo4 with 12″ 8ga Wires – Overkill Solar
Victron Battery Management System 12V/200A - Euromotive Energy Ltd