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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
3S 10A 12V Lithium Battery Charger Protection Board For 3pcs 18650 Li-ion Battery Cell Charging BMS 11.1V 12.6V With Balanced _ - AliExpress Mobile
3S 12V DC Electric Tools Hand Lithium Drill Power Li-ion Battery Protection Board BMS Circuit 18650 3 Cell Packs 20A PCB Module