Yes, the XS can be charged using the Mi 18W fast charger. The millet 18W fast charge head uses the USB PD (Power Delivery) protocol, and the iPhone XS supports USB PD fast charge technology, so the compatibility is good. Using the Xiaomi 18W fast charger can provide fast charging for iPhone XS, saving charging time and improving charging efficiency. Please make sure to use genuine charging head to ensure safety and charging effect.
Apple xs can use millet 18w fast charging head, as long as the Apple data cable can be changed, occasionally use is still no problem, but it is recommended to use the original charging head is better.