Originally Posted by WVvan
The manual for my controller reads that it's best not to mix panel types on the same controller.
Panel types is the key word there. Some panels can be mixed provided they spec out correctly to each other.
As far as connecting the portable system (that has its own controller built in) to the house battery, I don't see any difference between any alternate power source working in conjunction with your current solar controller. I wouldn't run the portable through
the controller (although it might be OK...I just don't know) but if you think about it what is the difference between it and a alternator or inverter charger? Your portable solar is simply another DC source.
But best to just call the manufacture and ask. I'm just guessing. Please report back what you find.