Can you hook a 24volt solar panel to 12volt batterys?

Question

trying to fig why I fried my charge controller(1)polls crossed or got a 24 volt panel .

Answer 1

he right

Answer 2

You can, IF you hook the batteries to it in series.

And yes, crossing poles can also fry the controller.

Answer 3

Never hook up 24 volts to a controller that is designed for 12 volts.  Having wrong polarities is a no no too. Those are both sure ways to fry a controller.