With no power demand on the AC200Max, will it auto adjust the pv input as it nears battery capacity? As an example the solar wattage input was running near 400 W until 80% battery capacity. It then dropped to 68W solar charge. All weather conditions the same.
There will indeed be intelligent adjustments. When the battery is nearing full capacity, the acceptable current will decrease, which is controlled by the built-in Battery Management System (BMS).