3S 4S 5S 21V 4.2V Balance Function Protection Board 68mA 5S Li-ion Lipo Battery Lithium 18650 Batteries Balanced 6S 7S 8S
USD 0.66USD 0.83
3S 4S 5S 21V 4.2V Balance Function Protection Board 68mA 5S Li-ion Lipo Battery Lithium 18650 Batteries Balanced 6S 7S 8S