My wife has an iPhone 3GS and she's lost the AC charging adapter. I told her I thought all AC adapters for USB devices were equivalent (we have several others lying around the house). She is afraid of ...

If the MagSafe puck and the AC adapter can't negotiate the 9V and 2.22 amps, USB Power Delivery will default to the highest common mutually compatible voltage and amperage that it can, not to exceed ...

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 ...

This 205W GaN adapter has effectively replaced my other travel chargers ...

With its low and affordable MSRP, solid performance, and small form factor, I cannot recommend the ASUS USB-AC53 Nano enough. It's an overall win for ASUS with this one. ASUS sets the bar when it ...

USB-C and other high-speed protocols can push data to warp speeds. Here’s how to make the most of the current standards and what lies ahead. Now that you’re used to seeing co-workers, family, and ...

Most modern smartphones, tablets, MP3 players, and other gadgets rely on USB-based chargers. Some of these come with their own AC wall adapters, while others include nothing more than a USB ...

USB adapters with ports for connections you haven't seen in years, like Micro-USB or Apple's Lightning cables, should probably find their way to the trash.