The USB C Charger supports the Power Delivery and Quick Charge 3.0 fast charging functions with a total power of up to 65W.The USB-A port offers an output power of 3 A/5 V,while the USB-C port offers a charging speed of 20W.Charge your iPhone devices from 0% to 60% in just 30 minutes Upgraded USB C Charger Block charge iPhone series models up to 3X faster than original 5W Charger.And when you connect 6 devices,power will be distributed efficiently between ports to ensure you get the best charge to minimize waiting time.The best replacement for your original usb charger