PH5000 series PV inverters take full account of the needs of end customers, with excellent performance at the same time, use LED as inverter status display, effectively improve product life. Using DSP digital control,could afford wide grid voltage range, have a full range of protection features; to maximize the benefits at the same time, greatly enhance the reliability of the product. Features: Rate power: 2.5-6KW Wide range of MPPT voltage 100-500V MPPT efficiency up to 99.50% Optional integrated anti-backflow control Multiple communications: USB,WIFI etc Monitoring inverters freely via mobile phonese APP Continuous adjustable power factor Five year warranty