If you went the 6 volt route, would your converter handle it?
Using 6 volt Golf Cart batteries should only be done in pairs, and they must be connected in Series
like each [b]pair of [b]RED
batteries in the example.
This produces the equivalent of 1 giant 12 volt battery.
batteries in the example are 12 volt batteries which must be connected in Parallel.
Banks of 4 batteries. Use just the top 2 to get banks of 2 batteries.