I've got a 2022 50 q4. I have had it charging at up to 120kw/h in the past and it slow charges no problem.
Yesterday having driven 150 miles (so battery was presumably warm) I stopped at a 150kw Tesla supercharger with 14% charge left. It was 7 degrees C outside. The highest charge I got was 60kw/h. Half the bays were empty but the tesla next to me was charging at 120kw/h (to his great amusement). I have had slow charges at subzero temps but what are people's feeling on why I am only getting 60 at this temperature?