1S 2S 3S 4S Li-ion Lithium Battery Capacity Indicator Electricity Power LED Display Waterproof Meter Tester 8.4V 12.6V 16.8V
USD 1.13USD 1.40
1S 2S 3S 4S Li-ion Lithium Battery Capacity Indicator Electricity Power LED Display Waterproof Meter Tester 8.4V 12.6V 16.8V