Daly Smart 4s 12V 150A LiFePO4 BMS Battery Management System for LiFePO4 Battery Pack with Waterproof Bluetooth Fun Uart Can RS485 Communication - China BMS, Smart BMS | Made-in-China.com
Li-ion LifePo4 1S to 4S BMS Charger Tester with Arduino Uno - Hackster.io
LifePO4 Smart BMS 4S 12V 30A-250A common port with balance RS485
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