I currently have 12 x 250w panels on my roof going to a growwatt solazone5000 inverter (grid connected)
What I am hoping to do is add battery backup etc so I can run off my own power prior to using the grid.
Can you please advise what I need and costs involved?
I do not want to add panels etc at this stage but would like to be able to if required.
I am in Branyan QLD 4670