2S 20A 7.4V 8.4V 18650 Lithium Battery Protection Board BMS Board Standard Balance Version for 3.7V 4.2V Polymer Lithium Battery
USD 0.75USD 0.92
2S 20A 7.4V 8.4V 18650 Lithium Battery Protection Board BMS Board Standard Balance Version for 3.7V 4.2V Polymer Lithium Battery