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
Boon_DockerExplorer IIINov 30, 2015The HM426 box is the one I have, it is a good box and 2 6v's fit nicely.