Can't search, as usual...
Has anyone put a dual battery setup in their 4r? Just curious. I'd be interested in this if it isn't too much of an investment in time and mulah.
The current issue of Overland Journal has a great article comparing different setups and concerns with dual battery systems, specifically discusses the various battery isolators on the market.
I really liked the article, but I don't think you can read it online. Got my copy for free from Slee Offroad in Golden CO.