Ventev recently introduced its EcoCHARGE wall charger that uses a tenth of the standy power while of the Energy Star no-load requirement: .03W vs .3W. Its list price on the Ventev site is $29.99 Let’s ...

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 ...

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 ...

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 ...

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 ...

Your new iPhone 12 will have a USB-C to Lightning cable — but no AC power adapter. Here are some great choices for adapters, if your tech drawer isn't already full of them. Using USB-C to charge your ...

The humble yet ever-present AC/DC wall-power adapter doesn’t get a lot of consideration from consumers. It’s one of those things that’s needed but is viewed as a necessary nuisance. I suspect that ...

The first product in a family of programmable lithium-batterycharger ICs for portable consumer applications is built around a 1-A current-mode step-down switching supply. Intended for USB or ac ...

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