USB Tester DC Voltmeter 5-30V Volt Meter Charger Capacity Indicator Time Display Mobile Battery Power Detector black

Description

Current and voltage meter for mobile phone battery power detector, this is a usb mini meter. It can measure tension, current, power and capacity. It can clearly display all the data. You can easily measure the load capacity of the USB (pc usb, mobile phone charger, car charger, mobile energy, etc.) operating door and current device And output voltage, performance, and judge the performance of the loading equipment of the loading cable.