Apple stopped including a power adapter with each iPod a while ago (though Apple includes an adapter with the iPhone), and as battery life shortens over time, it’s handy to have a power adapter at ...

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

It wasn't too many years ago you needed a backpack to carry a laptop charger. They were huge, got hot and came with thick, permanently attached, messy cords. That's no longer the case, thanks in large ...

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 ...