Problem: why does my Apple 20W USB-C Power Adapter get hot charging my iPad Air? My solution below.
I watch videos through various apps on my iPad Air while charging.
Device: iPad Air 13-inch (M2) model A2899, last updated to iPadIOS 18.6.2
Charged with:
Apple 20W USB-C Power Adapter attached to a 60W USB-C Charge Cable
My solution to problem:
I checked the settings on my iPad Air for screen brightness, which was on high and then checked my battery usage by app. I fixed my problem by turning the screen brightness down to mid level and closed the apps that I was not using which showed the most battery usage by app. The result is a mildly warm power adapter during charging.
It appears the answer of why hot adapter charging is happening has something to do with the amount of power consumption during charging.