Hi Keith and welcome. Please take some time to go to some RV owner's websites. Yes, I mean recreational vehicles. There is a vast community of RVers who live off-grid 24/7/365 and many are experts at solar power. I'm not talking about the weekend warriors or the tent campers. These folks are from all walks of life and many are retired electrical, electronics, mechanical, industrial engineers with many years of experience. Many of their RV rigs are $200k and much higher but their solar power systems will offer some great information and they are happy to share.