USB Power Delivery, or USB PD, is an intelligent dynamic fast charging protocol enabling up to 100W power supply over USB-C. Many of the latest smartphones and tablets, like iPhone and iPad Pro, are already supporting USB Power Delivery. With a USB PD Charger and a USB-C PD to Lightning cable, you can charge your iPhone 8 or later up to 50% in only 30 minutes! Also, devices like your notebook can be supplied with up to 100W via USB-C. To benefit from USB Power Delivery, your device, cable and charger have to support Power Delivery.