![]() ![]() You could even charge your laptop from one of those portable battery packs you charge your smartphones and other portable devices from today. USB-C could spell the end of all those proprietary laptop charging cables, with everything charging via a standard USB connection. This kind of power delivery could even let you charge a laptop, which usually requires up to about 60 watts.Īpple’s MacBook Air and Google’s Chromebook Pixel both use their USB-C ports as their charging ports. And this power can be transferred at the same time the device is transmitting data across the connection. It’s bi-directional, so a device can either send or receive power. ![]() The USB PD specification v3.1 supported by USB-C ups this power delivery to an enormous 240 watts. A USB 2.0 connection provides up to 2.5 watts of power-enough to charge your phone or tablet, but that’s about it. The USB PD specification is also closely intertwined with USB Type-C.
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