you'll be facing wires that are bigger than you expected and hard to bend,
The wiring for most of these type of projects is as much a mechanical exercise as it is electronics.
Your system is very small so the wires won't be too large, that said it often makes sense to use wire much larger than you currently need because one day you'll add panels and/or batteries and that will save you from a re-wire job.
60w solar array of three panels, with a new 240w bosch panel I will add or replace the other unit with
How the heck do you live on such a small system? No fridge, TV, computer...
Rob