How good of an idea is this?

I want to get a Roofnest Sparrow Eye (roof top tent seen in the image) and put 320w of solar panels on top (2x160w flexible panels).

Is that enough to supply power to a dometic fridge, 4g cell repeater, laptop + other small electronics? Is that a good setup in general?

My goal is to be able to car camp and work (I'm a software developer) from the mountains/various national parks for maybe up to a week at a time.