I have a 08 H3 and was running 2 zvx V2 12's with psi soft parts on a sk3500.1,stock alt,2 runs of zero,1 odessy group 31 under the hood and 1 of those nsb 100ft batteries in the back. I've pulled it all out now and am going to add a 3rd 12 on a scv6000. Adding more batteries in the back and...