Hi Joan, if you unplug from shore power you'll find you still can use your lights, your vent fan, your propane fridge, and any slide-outs. These can continue to run on 12v from your battery. You likely won't have air conditioning, no microwave, and no outlets - these all need 120v power from your shore plug.
With solar panels, your battery is still providing all the power to the 12v devices, and the solar is recharging and supplementing the battery.
To use things that require 120v ac power, you'd need to look into getting an inverter.
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2018 Rockwood Mini Lite 2306, 2017 Dodge Durango 5.7 Hemi
200w Suitcase Solar panel
Victron SmartShunt 500a, Victron 100|20 MPPT, Victron 800w Inverter
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