How much 600w solar power systems can support depends on several variables, including the time of year, the weather, your location, and the type of charge controller you install. But here's an idea of what you might expect to get on an average day of 4 peak hours of sunwith an MPPT controller. 600 watts of solar panels. A 600 watt solar setup is a good size for a couple or small family with a large RV or camper with roof space for the panels. It can support wild camping or boondocking in your RV for long. There are a few points worth clarifying about these wiring diagrams before you get into the detail: 1. The wiring diagrams show only the supply side installation of a 600 watt solar panel. If you'd prefer to avoid shopping around, you can buy pre-configured solar panel kits. They usually include the solar panel, solar charge controller, and mounting brackets. Some include extension wires. If you opt to buy a solar kit, check what's included and what other things you'll need to buy. And make sure it makes economic sense. This 600. Our guide details everything you need to install a campervan solar panel system. It's written to suit any size of system, so it makes reference to how to install multiple panels. It may come in useful when considering upscaling your setup, though. There's also a section about the tools you need to install your campervan solar panels. Some of these.