How To Use A USB Tester - Test USB Voltage & Current

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USB Tester Features:
The USB monitor will display voltage, current, capacitance and power
• Press the button to switch among seven different display modes
• Multifunctional: capacitance checking, Output I, Output II
• USB Output Port 1 is used for both charging and USB communication.
• USB Output Port 2 is used for large current fast charging

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