Yes, the Apple xs is slow to charge with 20w.
The Apple xs uses the original Apple 20W charging head, which takes about 1 hour and 50 minutes to fully charge.
< br >
On the surface, it takes nearly two hours to fully charge an iPhone12. Although it feels like the charging efficiency of 20W is a little low. However, compared to the original 5V1A, it does save a lot of time. Apple's Fast charging is generally slow to charge, and iphones use a lot of power.
Hello, Apple xs does not support 20W fast charge, only models above 11 support 20w fast charge.