BMS 3S 40A BMS board 11 1V 12 6V 18650 lithium battery protection board- drive drill 40A current (Discount 10 % )

BMS 3S 40A BMS board 11.1V 12.6V 18650 lithium battery protection board, drive drill 40A current (Discount: 10 % ) US $1.79 (Discount: 10 % )

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