Ok, so I did a search on dual batteries and have read so many posts, my eyes hurt and I'm more confused than I was before the search! I have a single Optima Blue Top and would like to add another Optima, but dont know what kind I would need. I bought a Perko switch where you can select off, 1, 2, or both. I would like to have the extra battery so I don't get stranded, but from what I read, if I don't do this right, I'll kill my alternator. I would like to keep it simple, but I don't know where to start! I found this during a search,
http://www.yandina.com/c100Info.htm Do I need one of these?Help a brotha out...Thanks in advance.