This video will teach you how to size a charge controller using a solar charge controller calculator I made.
Here is a link to the Calculator: https://explorist.life/solar-charge-controller-calculator
Here is a link to my solar consulting services: https://www.explorist.life/consulting
Here is a link to the Solar Wiring Diagrams: https://explorist.life/solarwiringdiagrams
Here is a link to a metric F ton of my other free solar resources: https://explorist.life/diy-campervan-solar