USB LCD Display Tester Voltmeter Amperemeter Spannung Strom Leistung Kapazität Detektor
3,65 €
With a USB output port and a micro USB input, convenient to test devices. Capacity: 0-19999mAh. Press the small circle button and the data will be zero, then you can test next data. If there were no battery, it won't lose the data it has tested.
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