by Sean Portnoy, ZDNet
You’ve long been able to recharge your smartphone via USB, and you can even juice up your tablet using that method. But a new flavor of USB is designed to pump out much more power, gving you the ability to charge up your laptop via a USB adapter. The new standard, USB Power Delivery (or PD), was showcased at Intel’s IDF 2012 event last week, and our sister site CNET provides details from the presentation that two Intel engineers gave on the new technology. While you can currently get up to 7.5 watts of power from a specialized battery charging version of USB (USB 3.0 ordinarily provides 4.5 watts), USB PD could offer up to 100 watts of juice — more than enough to cover nearly any portable device.
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