Why Does My Solar Charge Controller Give Over-Heating Errors Unless Mounted Vertically?

I’ve seen my solar charge controller flash an over-heating error when mounted flat against a wall. This is frustrating because you just want clean solar power without constant shutdowns. Heat naturally rises, and vertical mounting creates a chimney effect that pulls cool air across the fins. My own system dropped its temperature by 15°F just … Read more

9 Best Solar Charge Controller for Lithium Battery

9 best Solar Charge Controller for lithium battery If you’re running a lithium battery bank, you already know that a standard charger just won’t cut it. Lithium cells need precise voltage cutoffs and a charge profile that matches their chemistry. I’ve been testing nine different controllers side-by-side to find the best solar charge controller for … Read more