
When I set up my ham radio shack six years ago, I chose to go solar-powered 12-volt because amateur radio needs to work regardless of the grid up or grid down situation.
Last year I upgraded to second and third deep-cycle lead-acid batteries. I added other uses to the system and last winter was frequently running low on stored energy. So I upgraded the panel and controller to modern, more powerful ones. The new panel overwhelmed the new controller.
It should not have according to the specs on both, but there it was. Controller said, “Too much juice”. […]