I am about to replace my old 100w solar panel and old controller with a 400w panel and mppt controller. My question is can I use the DC load from my new mppt controller to feed into my old pwm controller and then into a second battery. Will both batteries charge simultaneously.
Hi I currently have a 100w solar panel that feeds into a pwm controller then into 2 12v 110Ah batteries connected in parallel.
This feeds into a caravan 12v system and works fine but I now need to add a 90w fridge to the system. It will run on gas during the winter and 12v during the summer.
I...
