Huawei P20 series mobile phones are equipped with intelligent fast charge chip, support direct charge SCP protocol, using 5V\/2A or 4.5V\/5A or 5V\/4.5A, that is, the highest power of 22.5W fast charge; If Huawei p10 is charged with the original charging head, it is 22.5w, the power supply is 9V2A fast charging version, and the SuperCharge 4.5V5A fast charging version, which can actually reach 18w, usually around 5-15w.