Advice on Solar Panels

[TyIsI]

There’s some good information from @John_Paul_Morrison in this thread:

Off grid solar setup

Hello! I’m hoping to rig up an off grid solar setup, something that can be mounted on my SUV, with enough juice to charge small USB devices, LED string lights, as well as a small pond pump and brushless fan for a DIY swamp cooler. I’m looking for help on design of the circuit and choice of components as this is a new area to me. Also need to source parts, looking for second hand to keep costs down. I’ll be in a high sun environment