asquarecan, it kind of sounds like you are focusing on the solar array/charge controller too much and instead should be focusing on your energy budget and battery bank storage capacity. Once you have that information in hand, you get to decide what your goals are for solar - primary source of power to charge your battery banks, supplement some other charging source, or something else.
is a short read on doing an energy budget - there are many similar so find one that makes sense to you. This link
and this link
are examples of an energy budget.
If you don't have a Kill-A-Watt meter
, you probably should. It is a good investment for helping to do what you are doing.