USB Charger Volt Amp Tester; Test Voltage: 3.5V - 7V ; Test Current: 0 - 3A ; Error:±1%
Range of application: mobile power test, notebook computer, mobile phone charger, adapter, car charger, etc.
Small size, high accuracy.
It can conveniently measure the output voltage of USB and the working current of the equipment.
Display of voltage and current data, easy to view.
Detect a variety of power supply output voltage and current.
Check the quality of USB cable.