Key SpecificationsMax Charging Current: 150 AmpsNominal System Voltage: 48V DCMax Solar (PV) Input Voltage: 500V DCPV Start-Up Voltage: 120VPeak Conversion Efficiency: Up to 98%Maximum PV Power: Supports up to 6,600W of solar panels [1] felicity-mppt-solar-charge-controller-150a-sccm15048).