A new universal travel adapter is entering an already crowded market, as TESSAN introduces its Universal Travel Adapter 21W, now available through Amazon and the company’s own website.

While the world is moving towards USB-C, plenty of other ports are still in use. Here are USB adapters that ensure you never run into compatibility issues.

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 ...