So im thinking of my next system. So far im thinking 3 DD1508s or 2 AQ HDC310s off about 3kw. What all am i going to need electrical wise? I know a guy who had 4 AQ3500Ds off a stock 90A alt and a shitton of batteries. (well, im 99% sure he was running stock alt). So if i get enough battery to back up the current draw, would that be enough or would i need an alt? I havent had much luck finding an alt for my car. 2010 Lancer. Not many H.O. Alts out there for it. So assuming i can get away with no HO alt. What would i need in the battery dept. And what would i need for batts with an alt even? Also. For running a 2nd battery, do you just have a run from the front to the back batt, then to the dist blocks and ground the back batt in the back where you ground the amps? Thats the way ive been thinking itd be done, just thought id make sure. (didnt mention fusing, but im assuming you gotta fuse from the front batt to the back batt yes? and also from the back batt to dist block)