MPPT Solar Inverter Micro Grid Connected WiFi IP65 Waterproof Inverter Item Type: Micro Grid Connected Inverter Material: Aluminum Alloy AC Output (AC) Rated AC Frequency: 50 60HZ Output Frequency Range: 47.5Hz-52.5Hz For 50Hz, 57.5Hz-62.5Hz For 60Hz Output Power Factor: Greater Than 0.99 Output Current Total Harmonic Crossing Variance: THD<5% Efficiency Maximum Conversion Efficiency: 95% MPPT Tracking Efficiency: 99.90% Nighttime Loss: Less Than 700mW Mechanical Data Operating Ambient Temperature: -40℃ - +65℃ Storage Ambient Temperature: -40℃ - +85℃ AC Cable Maximum Current: 20A Protection Grade: IP65 Cooling Method: Natural Cooling Other Features Communication Mode: WIFI Wireless Communication (Net Monitoring) Isolation Characteristics: High Frequency Transformer Isolation Comprehensive Grounding: The PE End Of The AC Cable Line Is The Grounding Wire Of The Equipment, No Other Grounding Port