Scheda di protezione PCB bilanciata potenziata a batteria 3S/4S 40A Li-ion Li-ion 18650

4S 40A Balanced Version. Item:4S 16.8V 40A lithium battery protection board. 3S 40A Enhanced Version. 1PC 4S 40A Li-ion Lithium Battery Protection Board. Role: 3 series 12.6V 40A lithium battery protection board.

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