Here is a handy tool that lets you measure voltage, current, power, and charge time for USB A, Micro B, and USB C ports. It has a color display that pops up when you plug it into a power supply. You can click the button to see different data. The device has a voltage range of 3.6 to 32V.
Also check out:
Disclaimer: *Our articles may contain affiliate links. Please read our disclaimer on how we fund this site. As an Amazon Associate, we earn from qualifying purchases.
