I bought a used 2011 Ice Castle fishing shack. It has a WFCO Ultra III 55 amp power converter (WF-9855) so you can use shore power to run 110v utilities. I do not always want to run a generator while fishing so I would also like to integrate a 12v deep cycle battery into the system... Primarily for just lights, a small air circulating fan, and the heater blower. Do I need a distribution panel/ power center (WF-8930/50NP) or can I run the two 12v circuit wires from the ice shack directly to the positive side of the converter and 12v deep cycle battery?
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