Fast charge your smartphone on the go with a fast car charger. That way, you arrive at your destination with a fully charged smartphone even after a short drive. You can charge your device about 2 times faster than with a car charger without fast charging. Buy a cable to go with it right away so you always have one in your car. You need a USB-C cable for your iPhone 15 and smartphones from Samsung or other brands. For your iPhone 14 or older models, use a Lightning cable. These nylon cables last longer than plastic cables.