Since you said it killed the TV battery in 10 min YOU HAVE A SHORT in the wiring.. There is no other explanation (I know of ) that would do that..
Fridge issue.. How many times in a row have you reset the fridge to run on propane.. it takes several attempts to clear the line leading to the fridge of air..
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12