My 85ltr Baileys ice box holds 96 cans and ice once full you cant lift it/
this is just for comparison against a 95 ltr. It would fill the cargo area
imo leaving little room for extras @damian.thomas what are your fridge requirement.
I take a 40 Engel for food and eskies for cool drinks
my icebox would have to be the most efficient icebox I know
I have added insulation its awesome cost me $390 back in '93
love it
If you dont have an AUX battery then a 100ah battery pack may be the go
Try not to use your start battery, a battery pack and a solar panel may be the go