On a 2011.. You should be OK with one possible catch.. On a 1981 I'd not be so confident without knowing the make and model of your converter. but on a 21st century RV, the make/model that needs batteries .. Discontinued long ago.
The one catch.. If you need the furnace it may be more than the converter can power.. But the key word here is MAY, Same for macerator toilets.
Anything else I'd not worry.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times