Sometimes, one USB socket on a laptop is seemingly more powerful than the other. You’ve probably noticed that some wall chargers are stronger than others. Not all USB chargers, connectors, and cables are born equal.
In its place, though, there’s a new problem: USB power.
Today, you can charge your phone at your friend’s house, plug your ebook reader into any computer, and download photos from a digital camera directly to your TV, all thanks to a standardized connector. Usually, that power supply wasn’t even labeled. Well, sort of.Įn years ago, you always had to make sure you had the correct power supply for each of your gadgets. The tech world has finally coalesced around a charging standard, after years of proprietary adapters and ugly wall wart power supplies.
