Additional Tips Using a Multimeter: If you have a multimeter, you can also use it to check the voltage of a USB port by connecting it to the external pins of the USB-A connector.

If you're worried about an unknown USB drive, there's a way to test the device without risking your devices get overcome by a USB killer or worse.

USB-C power meter could save your devices from dodgy cables and chargers Plus, check the true mAh capacity of your smartphone, laptop, or portable battery.

With Legion Meter, PLX is bringing that kind of battery know-how to the rest of our chargers. Small, light, and smart, the Legion Meter works with any USB charger in your arsenal, delivering ...

An electronics engineer known as "Iron Fuse" has developed a custom "USB and More Tester," offering a wide range of testing ...