How should I ground a floating circuit that is a portable solar generator?

Question

I'm going to be mounting several pieces on a dolly such as a plastic bin to hold a battery inside, a voltage regulator, and inverter will be on top and a solar panel on the top (50 watt).

Answer 1

If you ground a circuit, then it isn't floating is it?

Since you don't know electricity, you should consult an engineer.

Answer 2

i have no idea