Bought an older rv. according to manual I can unplug 110 and on the fuse panel I can switch over to 12volt with a rocker. The rocker is not present. Manual provide no pictures. How can I make 12 volt ...
SRM24 is the size (srm is an Interstate designatIon, I believe, sizes are spec'd as Group (G). Common deep cycle 12 volt sizes are G24, G27, G29, and G31.
For deep cycle use, you are interested in the amp hour capacity, mca, or marine cranking amps is really not directly relavent.
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