JK 4S-24S 40A-300A Li-ion LiFePo4 Akku Smart BMS w/Active Balancer BT/RS485/LCD. Daly 4S 12V/8S 24V/16S 48V 100A-250A LiFePo4 Akku Smart BMS & Bluetooth Module. JK BMS LCD Display /RS485 Adapter /BMS Power Switch/ Transfer Board.
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