With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...

So a few months ago, I stumbled upon a thing at Adafruit.com called a "Charger Doctor" which was really just a Multimeter designed to slip inline with your USB cable. It was $7.50 and I liked it.

The MQP Electronics’ Packet-Master USB-PET USB protocol and electrical tester can perform the suite of tests defined in the USB Implementers Forum’s Battery Charging, USB On-The-Go and Embedded Host ...

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