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4S 100A 12V Balance for LiFePo4 for Life 18650 Battery Cell BMS Protection PCB Board Module Low Resistance MOS: Amazon.com: Industrial & Scientific
Amazon.com: DALY BMS 12S 36V 500A LiFePO4 Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 36V with Bluetooth Module UART RS485 CAN and Cooling Fan :