Two battery banks, one inverter ?
I will be acquiring a new off grid home to which I want to expand the battery capacity of. I know it is not advised to mix batteries of varying ages (due to charge rates?) but, as the existing batteries are only 3-4 years old, I was wondering if I could add panels, a second charge controller (both of which I happen to have NIB) and feed the Inverter (an existing Magnum MS 4448 PAE) from two separate battery banks. Can this be done?