iv been looking and i found a 5500 watt amp that im prolly ganna use and im looking at 1 18" fi btl mayb but im not sure yet was planning on running 2 alts the stock one for everything else and one for bass mids and highs, looking at a 250amp alt but idk if that will b big enough ganna run 2 addition batts in the back for subs mids and highs but mids and highs will be going in later right now im looking at subs box electrical. for batts i was looking at the d3100 from dc i believe they were, would that b good with like 2 runs of 0 guage runing to them or what do i need