With the ipad's 20w fast charger,
You can use the Apple12W and d10WUSB power adapters that come with the iPad to charge your iPad, iPhone, iPod, AppleWatch, and other Apple accessories such as AirPods and SiriRemote. When it comes to charging an iPhone with an iPad charger, the conclusion is that it is perfectly feasible, and neither the iPhone nor the charger will be damaged. The iPhone charger can also charge the iPad, but it will take a little longer to charge.
Can be used
Apple xs supports 18w fast charge, but it can use a 20W charger, but the charging power can only reach 18W.
The iPhone XS Max features a 6.5-inch display with a resolution of 2688× 1242,458 ppi. The iPhone XS Max has more screen space than the \"Plus\" phones.
Yes, the iPhone xs supports fast charging.