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
Solarparts - BMS 4S 12V 40A Lifepo4
Amazon.com: 12V 100A 4S BMS Protection Board with Balancing for 18650 LiFePO4 Battery Pack : Electronics
Deligreencs 4s 30A 40A 60A Smart BMS with Uart Can RS485 Bluetooth BMS 12V Faster Cooling LiFePO4 Battery RV Electric Motorcycle - China Lithium Ion Battery BMS, Bluetooth BMS | Made-in-China.com
Amazon.com: DALY BMS Li-ion 4S 12V 60A with Balance Wire and Temperature Sensor for 18650 Rated 3.7V Battery Charging and Discharging Protection : Electronics
4S 12V 100A High Current Lifepo4 lithium BMS battery protection board W balanced CELL 12.8V balance FOR Car start Inverter - AliExpress