USB 3.0 Promoter Group and the USB 2.0 Promoter Group has recently approved the complete specification of USB Power Delivery, which allows charging devices via USB 2.0/3.0 cables and connectors are very popular. The complete specification released USB Power Delivery means ready to be licensed to manufacturers and accessories sold. We can charge multiple mobile devices via a USB connection but the standard voltage is not sufficient charging USB devices such as computers or other digital devices. The advent of USB Power Delivery will support power transmission capacity of up to 100W via cable as well as USB connectivity USB certified Power Delivery. In addition, the new charging standard will be backward compatible with USB cables and connectors now.
Source: EngadgetHinh Image: Scoop