1S 3.7V 3A li-ion BMS PCM battery protection board pcm for 18650 lithium ion li battery

2S 3A Li-ion Lithium Battery 7.4v 8.4V 18650 Charger Protection Board bms pcm for li-ion lipo battery cell pack

3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 12.6V Cell 64x20x3.4mm Module

4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V

Package Include: 1 x PCB BMS Protection Board