Quick Charge is a proprietary technology that allows for the charging of battery-powered devices, primarily mobile phones, at power levels exceeding 5 volts at 2 amps, thus 10 watts allowed by basic USB standards—not considering the USB Power Delivery (USB PD) standard—while still maintaining compatibility to existing 

Quick Charge makes it easier to top up your battery every time you feel a need to boost. Considering the increasing amount of time we spend on our devices, and how it's becoming difficult for a single charge to last all day, Quick charging is more essential than ever