mine is a 2-way, no 12v option.
120 draws I think about 25amps which sucks out loud but I'm charging at 50 amps while driving so it would do it, just might mean not getting back to 100%.
I don't really want to change out the fridge if I don't have to, but I have heard that standard residential fridges have _tiny_ draw by comparison, so if I could physically size one correctly that might be a way to go. I would want to see the numbers, since as is now I can go 3-4 days with little sun and zero run time and be in good shape.