Wire them to a controller that is connected to the battery bank. The controller should not be in the same compartment--but should be as close to the battery bank as humanly possible.
I'm not a fan of using portable panels. Here are some reasons why.
Panels are large.
By not mounting them on the roof many hours of sunlight while trundling down the road will be lost.
Adds to the list of items to do when striking camp.
Wind and panels don't get along too well.
Recharging while the RV is in storage won't happen with portable panels.