Batteries going dead....

[Ramzfan]

For some reason, when I park my coach at home after a trip, my batteries will go dead after about a week. They are brand new batteries (3) and I would think that the solar panel on the roof would keep them charged. I know that there are some small power draws within the coach (radio lights, etc.) but I've never had a coach that would completely draw the batteries down to nothing in a weeks time before.

[Rusty years]

When I park for a week I have to plug in a charger as the inverter doesn't charge the chassis batteries.

[Yoda2405]

Have you tried parking with battery disconnect switch engaged to make sure the issue is external to the batteries? This would make sure the issue isn't the batteries themselves, new or not.
If they do not discharge then you need to start trying to determine what is drawing the current from the batteries. I would make sure the inverter is turned off, as it draws current even when no loads attached. Also make sure all lights off - storage bays and hallway/entrance floor lights which are hard to see on in the daylight.
Is it just the house batteries or both house and chassis batteries?

[Ramzfan]

I think I found the problem on my last trip...it was the inverter. If I make sure to turn the inverter off, the batteries stay charged. Thanks for all of the help.
Steve