The Xiaomi 50W car charger and Mate 60 Pro should be compatible and usable. Car charging is mainly to provide high-power charging output, can quickly charge mobile phones and other devices, and Mate 60 Pro generally supports 40W fast charging function, so the use of 50W car charging should be able to charge and there will be no compatibility problems. However, it is also necessary to confirm whether charging is supported according to the specific specifications of the car charger and mobile phone.