Stay Charged With 0-50% battery in just 30 mins, this is the fastest in-car charging solution for the iPhone 13 series as well as previous iPhone models. Dual Charging Dual USB charging ports lets you charge 2x devices at the same time. Whether you have two devices low on battery life, or a passenger in desperate need of power, the CarPower 20W will come to the rescue. Fast Charging Many new cars come with USB charging ports, however it’s common for these ports to only deliver slow charging which can’t keep up when the phone is in use. CarPower provides 20W fast charging, so you can use your phone without worrying about losing power.