I've a less-than-year inverter from SAJ and it worked very well untill I've reported to them that some time the inverter load the batteries using the power line and not the solar panels.After that, they have updated the firmware of my inverter and the firmware of my batteries.After that the inverter loads the battery up to 75% and discharge them up to 40%, and for me is not correct.I've signalled this to SAJ but they refuse to answer.I really trust SAJ, for me they have great products, but I'm really disappointed for this lack of information.
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