Ultra-fast energy transfer on the go - More and more modern smartphones support the fast charging features Quick Charge and Power Delivery. With the XLayer Powerbank Rapid, you can now have this functionality always in your pocket! This allows you to charge your smartphone battery up to 4 times faster than with a conventional charger. Thanks to USB-C with PD 20W, you can charge compatible mobile devices up to 4 times faster. Unlike a standard USB charging port, this connection supports not only a charging voltage of 5 volts but also charging at 9 and 12 volts. And that with up to 2.2 amps! Thanks to advanced technology, the USB charging current automatically adjusts to the respective device. Your smartphone is charged with 5 volts by default. Other mobile devices with Quick Charge receive charging voltages of up to 12 volts! With a total output of up to 20 watts, you have a powerful power source and can charge up to three devices simultaneously, all without needing a nearby outlet.