There is absolutely no way that would work...................
How would you get enough current to flow without a dc to dc charger.
Also no mppt on it. Rubbish!!!
As per previous poster - no 6 B & S
How would it even start then?
Don't even get me started on the fact that there is no hiclone that will fit it.................
You'd be better off spending the money on one of speewa's Pre dug fire pits, even if it meant poisoning yourself with a VB.
Brian