MPPT technology, constant power,constant current, High conversion rate, Islanding protection. Grid-series models500WRecommend use solar panels620WpDC Maximum Input Power600WDC maximum voltageVpvDC30.2VDCDC voltage rangeVpv 10.5V~28VDCMaximum output power factor99%Maximum input current30AAC output power500WAC maximum output power500WAnti-voltage protectionFuseAC standard voltage range90V-140/180~ ...