20pcs 1S 3.7V 4A li-ion BMS PCM 18650 Battery Protection Board PCB Double MOS
9,91 €
20 pcs 1S 3.7V 4A li-ion BMS PCM 18650 Battery Protection Board PCB for 18650 lithium ion li Battery Double MOS. Upper limit continuous current: 4A. B + : Connected to the battery positive. B-: Connected battery negative.
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