USB Digital Multimeter - Auto-Ranging (RS232 Output) - TOL-12967 - SparkFun Electronics
The portable LED USB multimeter (that you didn't know you needed) – Pretzel Logix
USB current voltage meter
USB Tester, Digital Multimeter Dual USB Output Ports Color LED Display, Capacity Voltage Current Power Voltmeter Ammeter for Laptop Power Bank Phone Solar Panel E8Y5 - Walmart.com
Klein Tools USB Digital Meter with USB-A and USB-C ET920 - The Home Depot
DMM Multimeter with USB / Software CD, ACV DCV, ACA DCA, Auto Range – Gain Express
Generic DROK USB Tester, USB-A 2.0 Digital Multimeter Dual USB Output Ports PD QC 3.0 Color LED Display, 7 Modes Capacity Voltage Curre
X-DRAGON USB 2.0 Digital Multimeter Power Meter Tester Current and Voltage Mo... | eBay
Klein Tools ET920 USB Power Meter, USB-A and USB-C Digital Meter for Voltage, Current, Capacity, Energy and Resistance - Amazon.com
X-dragon 10va Usb Multimeter Tester Strom(a) Spannung(v) 2 Output Ports Doppel Usb Power Multi-moniter Digitales Amperemeter - Power Bank Accessories - AliExpress
Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A - Amazon.com
Klein Tools Type-A USB Digital Multimeter ET900 - The Home Depot
SparkFun Education - Kits and Materials - USB Digital Multimeter - Auto-Ranging
Wholesale Upgrade Multi Functional Type C USB Tester Kit LCD Digital Multimeter Voltage Current Power Capacity Temperature From m.alibaba.com
USB Digital Multimeter - Auto-Ranging (RS232 output) - TOL-10892 - SparkFun Electronics
USB Tester, Digital Multimeter Dual USB Output Ports Color LED Display, Capacity Voltage Current Power Voltmeter Ammeter for Laptop Power Bank Phone Solar Panel E8Y5 - Walmart.com
Klein Tools Type-A USB Digital Multimeter ET900 - The Home Depot