Fast in-car charging. Fast charge your iPhone 8 or later from 0-50% in 30 minutes in your car - or enjoy optimal charging for other compatible devices with USB-C and USB-Power Delivery.* The BOOST↑CHARGE 18W or 20W USB-C PD Car Charger delivers high wattage and fast charging, despite being small in size – making it the ideal non-intrusive fit for any car interior.