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USB Voltage Meter with OLED Display : ID 2690 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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MakerHawk USB 3.0 Tester, USB Power Meter, 3.7-30V 0-4A Voltage Tester Multimeter, USB Current Meter Tester, IPS Color Display Voltmeter Ammeter, USB Charger Tester AT34 - - Amazon.com
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USB C Tester, 3 in 1 Type C DC5.5 USB Meter USB Load Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0: Amazon.com: Tools & Home Improvement
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USB 3.0 Tester, Eversame IPS Color Display Digital Multimeter Voltmeter Current and Voltage Monitor, DC 5.1A/30V/150W Power Meter Tester, Test Speed of Chargers, Cables, Capacity of Power Banks-Black: Amazon.com: Tools & Home
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AI310D-USBLAstral portable digital power/energy meter for use with Astral detectors. Has a USB port in addition to RS232. Includes power supply/battery charger.
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