RAVPower PC-091 is Upgraded with Quick Charge 3.0 USB ports to boost charging speed and to deliver the fastest possible charge to any device. The battery input of 12-24V is standard across all cars, and the USB charger will automatically adjust to match the unique charging needs of all your USB powered devices and protect your device and charge at a steady rate.18W Power Delivery with the USB-A, fast charging. The USB-C power delivery port can delivery 36W in total of power. Use it to charge a smaller USB-C laptop and USB-A device simultaneously in your car. Stay charged wherever you go.