All I have is a 4 gauge power wire and a 4 guage ground. each one goes into a distro block that splits it down to 4 8 gauges.
I didnt get a new alternator.. although Im thinking I will soon because mine is old as it is.
I got a Odyssey battery.. the website is
http://www.bakerprecision.com/battery1b.htm
I was told by MB Quarts installed Sam that its the best car audio battery on the market.
I have the PC1700 its an incredible battery, and really small.