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 ...

I tested popular 'power-savers' on the market - here's the only one that isn't a scam ...

Here's what to look for, and how to fix what you find. Working on your own home is empowering, and it saves you money. Even ...

When you’re testing or debugging some mains-powered gear, plugging it directly into the outlet can often be an exciting ...

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, ...

Abstract: Accuracy tests were performed on whole-current and transformer-operated electronic energy meters under conditions that reflected the actual adverse metering site conditions. Analysis of the ...