

New to this, want to upgrade
I’m in the process of buying a small off-grid cabin. The current owner has it set up with solar. It’s enough to power a mini-split AC throughout the night, along with a mini-fridge, but not a whole lot more. I want to add on to the cabin, which will mean another mini-split. Plus I’d like to be able to add a larger refrigerator, a TV, and a microwave.
There are currently 10 solar panels, but he’s unsure of the wattage. I won’t be able to investigate that until the sale is complete.
With the current setup in the pics in mind, what do I need to add or upgrade to get where I want to be?
From what I can tell: there’s 2 solar chargers (he started off with 4 panels on the small one, then added 6 more on the big one), a 3000w inverter, and 6 Battleborn batteries (I believe these are 24v 50Ah).
I’m also interested in adding a wind turbine. The cabin is near the top of a mountain where the wind blows constantly.
What are some good companies to buy from?