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

Let’s be clear – it’s not enough to have USB-C to USB-C cables. There’s a lot of cables that we might want to acquire for our day-to-day use, perhaps, for a transition period while we still own some ...

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 ...

If sacrificing the portability of a small device is outweighed by the inconvenience of having to feed it a constant supply of replaceable batteries, a clever adapter has popped up on Kickstarter that ...

The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices.

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 ...

If you want to charge your iPhone 12 using MagSafe, Apple recommends using certain 20W AC adapters — and they don't need to come from Apple, despite what you may have heard. We explain what the ...

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 ...

Connect your laptop, tablet, or smartphone to TVs and projectors without a wire or Wi-Fi network.