Apple 20W USB-C Power Adapter The Apple 20W USB-C Power Adapter offers fast, efficient charging at home, in the office, or on the go. While the power adapter is compatible with any USB-C-enabled device, Apple recommends pairing it with the iPad Pro and iPad Air for optimal charging performance. You can also pair it with iPhone 8 or later to take advantage of the fast-charging feature. Charging cable sold separately.