2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V Overcurrent Overcharge / Overdischarge Protection 4A 2 Series BMS
USD 0.47USD 0.50
2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V Overcurrent Overcharge / Overdischarge Protection 4A 2 Series BMS