TBammerExplorerNov 29, 201512V vs 6VRecently bought our first travel trailer, and it has been quite the education, including understanding the dual electrical system. One thing I am thinking about doing is adding a 2d battery. I have ...Show More
donn0128Explorer IINov 29, 2015DO NOT mix battery ages.2-6 volt batteries will give you approx equal power as two gp24 dual purpose batteries.