Max battery bank
Hi guys, I have a stand alone system. 36 x 260 w panels. 4 x 4 x 280 amp agm batteries linked to give 48 v. 16 batteries in total. I would like to add another set of 4 or 8 batteries for extra storage but I am told there are unbalance issues with more than 4 banks. Is this correct? Why? Simple answers please, not a electrician.