Xiaomi Charger 33W supports charging at the following voltage and amperage levels: 5V/3A, 9V/3A, 12V/2.25A, 20V/1.35A, 11V/3A. With a maximum voltage of 33W, it works with smartphones like Xiaomi Mi 10, Redmi K30 Pro, Redmi 10X Pro and more. For example, Redmi K30 Pro with 4700mAh battery can be charged from 0 to 64% in half an hour. A full charge takes about 63 minutes. With PD3.0 protocol support, it can also be used to charge Apple iPads, MacBooks or a Xiaomi Notebook Air.