I have a Class C with two big house batteries, and of course, the vehicle cab has a battery which starts the engine and powers things off the cigarette lighter receptacles.
My problem is that I want to recharge or run my laptop off of my house batteries, but I don't have a receptacle in the coach to do that. (I have been using the cigarette lighter receptacle to recharge my cell phone and mobile internet hub.) I can purchase an inverter to run off the vehicle battery and charge the laptop, but I think I have much more capacity in the house batteries, since they never seem to show hardly any reduction in charge, even when I am using them to power lights, etc. when i have no shore power.
A couple of times, I ran the generator just to charge the laptop, but that seems like a terrible waste of gas since my house batteries were already fully charged.
So, is there a way to steal power by installing a 12 v receptable somewhere that would get power from the coach batteries??? Can I somehow hook something up to a ceiling light???
If I buy an inverter and use the vehicle battery to charge the laptop, won't I run the battery down??