10pcs1S 2S 3S 4S 3.7V Lithium Battery Capacity Indicator Module 4.2V Blue Display Electric Vehicle Battery Power Tester Li-ion
USD 7.94USD 9.92
10pcs1S 2S 3S 4S 3.7V Lithium Battery Capacity Indicator Module 4.2V Blue Display Electric Vehicle Battery Power Tester Li-ion