Digital voltage (volt) and current (amp) tester for USB devices.
With this useful, portable device, the capacity of USB cables, chargers, power banks and devices such as telephones and tablets can be tested. In addition, it can be tested, for example, how quickly phones charge and what the quality of charging cables is.
Input voltage: 3.5-7 V Capacity: 0 - 3Ah Interface: USB Current input: 50mA - 3500mA
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