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
Lithium Ion Battery Management and Protection Module (BMS ) Teardown - Schematics, Parts List and Working
Amazon.com: Aoicrie 4 Serial 4S 30A 3.7V 18650 Lithium Battery BMS PCB Protection Board Balance Integrated Circuits with Equalization 4S 30A Protect with Balance for li-ion Battery Cell Pack Module with Cable :
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
Amazon.com: 12V 100A 4S BMS Protection Board with Balancing for 18650 LiFePO4 Battery Pack : Electronics