USB-A Tester and Meter
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Klein Tools ET920 USB Power Meter, USB-A and USB-C Digital Meter for Voltage, Current, Capacity, Energy and Resistance
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3 to 20V DC; Current: 0.05 to 3A (USB-A); 3 to 20V DC; Current: 0.05 to 5A (USB-C)
Continuously monitor up to 1000 hours of voltage, current, capacity/charge delivered, energy, and resistance (calculated)