Plugged in is always faster for the first 70% or so. After that, both methods should be similar since the charger in the phone starts tapering the current
now that I'm stupid enough to try this... but what happens if I plug the iPhone 13 Pro Max into the Apple 20W charger.... then connect a Magsafe(connected to another Apple 20W charger) to the back of that iPhone? I assume there must be some kind of safely mechanism to disable one of those methods... but which one will the phone disable?
now that I'm stupid enough to try this... but what happens if I plug the iPhone 13 Pro Max into the Apple 20W charger.... then connect a Magsafe(connected to another Apple 20W charger) to the back of that iPhone? I assume there must be some kind of safely mechanism to disable one of those methods... but which one will the phone disable?