I voted with the nos. Typical trip duration is 4-6 hours. When I installed my trailer wiring I ran 10 awg wire (with resettable breaker in series) directly from the battery to the Bargman. I can leave the TV connnected for an hour or two for, say, a meal stop, but forgetting to disconnect overnight drains the TV battery, as I found out once the hard way.
-Paul
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