Hi Solarites,
I want to install an off grid system using 16 Chinese made LiFePo4 3.2v 310Ah batteries (the blue ones - US$1,900) in a 48v configuration fed by 8 x 445w panels (currently US$185 each) = 3.56kw mounted on a southern facing roof with a 30° slope. This is in Jamaica at 18° latitude...