Tesla Motors Club

All the searches I’ve done on this were basically discussions around etiquette of taking a L2 charger for an extended period but my questions are more around using and managing plugging into a basic 110V outlet at the airport for 3-8 days or longer when traveling. As a disclaimer, there are a whole row of outlets which nobody seems to be using anyway so thought I would give it a try and come home to a fully charged vehicle that was already pre-heated when I arrived at the garage.

It’s pretty cold in my town right now with temps between 10-30 degrees F. The car has been plugged into the 110V for nearly 24 hours and has only gained about 45 miles of range. Is leaving this plugged into the wall like this bad for the battery, especially since it is fighting the cold constantly to warm the battery enough to accept a charge? Should I instead periodically turn off charging for a bit and instead start it back up about 24 hours before arrival?

I know Tesla says leave an unused car plugged in but is it ok to leave for many days/weeks at a time in 110V? With all the discussion and battery life and some adamantly suggesting that continual small charges can confuse BMS to lower the floor (and I personally saw some estimated range loss after I started leaving plugged in over night) I thought I would get advice on best approach to fight cold weather drain and the convenience of having a fully charged car vs. just leaving it alone and parking without plugging in.