During the IFA 2018 it turned out that Mate 20 Pro will be sold with two chargers alongside it. One of them will be a wireless charger, while the other one's a standard socket one. The first one will charge the phone with a power of 15W, while the other one has an impressive power of 40W, dwarfing the 22.5W SuperCharge charger.
Samsung Galaxy S9 and S9 Plus are $100 or more off in various US retailers