This $20 USB-C cable I recommend comes with a useful digital display
Briefly

A USB power meter is invaluable for diagnosing power-related issues quickly, providing instant readings on voltage, amperage, power protocols, and more, aiding repair technicians in pinpointing problems efficiently.
For hobbyists, a simpler and more affordable USB power meter that covers basic readings like voltage and current suffices for routine checks and minor repairs, offering practical benefits without the high cost of advanced models.
The ChargerLAB Power-Z AK001, priced at $20, offers essential features like voltage, current, power, and accuracy, providing a user-friendly design with immediate access to crucial power statistics, making it stand out among other feature-packed meters.
Read at ZDNET
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