Recent content by n5eea

I have had 1 Growatt 300W 24V units for about 2 years now. Used with 12 batteries, 6VDC wired as 24VDC. 6 panels 300W ea (2 strings of 3) into a combiner then to Growatt unit. Had no issues so far. I want to double the wattage on it so I purchased a 2nd unit, same model. I have recently added...