Portable consumer products increasingly rely on the USB port as a dc power port. The ubiquitous port obviates the need for designers to use that annoying external-power-supply “wall wart” to charge a ...

So I've tended to assume, possibly stupidly, that if a device relies on a USB power connection at all then any old AC->USB power adapter is fine to use for it and substitutable for a computer USB port ...

With two USB-C ports, the USB Power Delivery protocol, and 100W of power onboard, the Elecjet 100W USB-C PD Power Adapter is equipped to charge not only two smartphones but even two laptops at once.

Nick Guy is a staff senior editor for Buy Side. He's been reviewing personal technology, accessories and myriad other products for more than a decade. Edited By Written by Staff Editor, Buy Side ...

How many watts can a USB port actually output? The answer depends on your cable and protocol. Here is the ultimate guide to ...

Your new iPhone 12 will have a USB-C to Lightning cable — but no AC power adapter. Here are some great choices for adapters, if your tech drawer isn't already full of them. Using USB-C to charge your ...

Worried about phantom power? Discover if a plugged-in USB charger drives up your bill, how to measure it yourself, and tips ...

Whether or not you accept Apple’s explanation for why it no longer includes a charger in the box with the iPhone 12 series, the fact remains: The only accessory that now comes with the newest phones ...

The USB Promoter Group has announced that the greatest invention in the known universe -- the reversible Type-C USB connector -- is finally ready for mass production. The USB Implementers Forum will ...