Drive a 2016 90D. Stopped in with about 90mile left and immediately got about 75kw. Went to the bathroom in the mall and came back to 12kw. Moved and got 60+kw. Just a little bit irritating.
The worst for me had been Truckee behind Safeway, where you could start in the 70’s and come back in a few minutes at 8 and if you stayed and watched you see the KWs race to 75 then immediately drop to zero, then pick back up to something in the 70’s and drop like a rock to zero and continue the pattern till you unplug and move.
Personally, when a charger isn’t working, I tie the chord in a big granny knot and call tesla