3S 4S 5S 6S 7S 15A Limit 20A 18650 ion Lithium Battery Protection Board Module 12.6V 16.8V 21V 25.2V 29.4V Packs BMS Heatsink
USD 3.01
3S 4S 5S 6S 7S 15A Limit 20A 18650 ion Lithium Battery Protection Board Module 12.6V 16.8V 21V 25.2V 29.4V Packs BMS Heatsink