I've even plugged my M1 Air into the 20W USB-C iPad charger with no ill effects (somewhat slower charging while it's in use). It's possible that the battery wou

I've even plugged my M1 Air into the 20W USB-C iPad charger with no ill effects (somewhat slower charging while it's in use). It's possible that the battery would stop charging or deplete if I had the brightness cranked all the way up and the CPU was doing something intensive.