Hoping someone might have some insight to an issue I am having. My coach is a 2020 Thor Magnitude BB35. I keep my coach inside my pole barn. I last used my coach at the end of June this year. Over the weekend, I went out to the barn to start the coach and the engine batteries were completely dead. Went to the back and found that my two coach batteries were also completely dead. These four batteries are all less than a year old. I tried charging the engine batteries and they won't charge. They are dead. I'm charging the coach batteries now. We will see. Has anyone had this happen? Any idea what could have zapped all four of my batteries? Could I have left something plugged that zapped them? This same thing happed to me last year and that's why I replaced all of my batteries. I just thought it was time for new ones. Now that it has happed again, something isn't right. Any help would be much appreciated!