Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

Klein Tools introduces USB Meters and Tester (Cat. Nos. ET900, ET910 and ET920), enabling professionals to monitor the power delivered by USB ports. The ET900 easily measures USB-A power delivery ...

Plugable has recently launched its new USB-C voltage and amperage meter for high power devices offering the ability to monitor power and charging up to 240W. The third generation USBC-VAMETER3 USB-C ...

Anritsu has created a frequency-selective portable power meter that will operate from 9kHz to 70GHz. Called Power Master MA24507A, the mm wave tester is designed to work with a host computer running ...

There will be many obstacles on the way to the promised single cable type USB-C utopia: new standards that aren’t backwards compatible; USB-C sockets that outwardly look the same, but aren’t ...

We’ve all seen the little USB power meters that have become popular since nearly every portable device has adopted some variation of USB for charging. Placed between the power source and the device ...

Your MacBook isn’t charging right and you can’t figure it where the problem is? Plugable’s USBC-VAmeter3 can help. Connect it to the power cable running to your Mac, iPad or iPhone to see the voltage, ...

Plus, check the true mAh capacity of your smartphone, laptop, or portable battery. I just don't see how a dongle like this would save anything. It's wired in parallel, not series, so it doesn't ...