Because it does not support
The Huawei p50 cannot be charged wirelessly. Its built-in 4100 mAh battery only supports 66W wired charging, and does not support wireless charging and reverse charging.
Unlike the Huawei p50, the advanced version of the Huawei p50pro can support wireless charging and wireless directional charging. The battery capacity of Huawei p40pro is 4360mAh, which still matches 66W wired fast charge and 50W wireless fast charge.