[flybouy]

Originally Posted by Local150

My 5ver is in a heated bldg. for winter , put a marine type switch in thought it was 300 amp but it's a 500 put it on negative side,, storing in side, I wanted every thing to disconnect,, no chance of anything malfunctioning and starting a fire and also running battery down, my old 5ver had a cheaper knife type disconnect, but didn't like the exposure of it all

To me the marine grade is worth the few xtra $$. Reasoning, they are, or should be vapor resistant and will contain the arc and prevent an ignition source for explosion. That way no worries if battery is boiling out hydrogen gas or a propane line is leaking.