Specification Model: MY-INVV EU-4.2KW-24V Rated Power: 4200W Max PV Input Power: 6200W Rated Output Power: 4200W Max Solar Charging Current: 120A Monitoring Option: RS232/WIFI/GPRS/LITHIUM BATTERY Output Waveform: Pure Sine Wave GRID-TIE OPERATION PV INPUT (DC) Nominal DC Voltage/Maximum DC voltage: 360VDC/500VDC Start-up Voltage/Initial Feeding Voltage: 60VDC/90VDC MPPT voltage range: 60~450VDC GRID OUTPUT AC Nominal Output Voltage: 220/230/240VAC Output Voltage Range: 195.5~253VAC Feed-in Grid Frequency Range: 49~51+1Hz Nominal Output Current: 15.7A Power Factor: >0.99 Maximum Conversion Efficiency( Solar to AC): 98% TWO LOAD OUTPUT (2.0) Full load: 4200W Max Main Load: 4200w Max Second Load (under battery mode): 1400w Main Load Cut Off Voltage: 22VDC Main Load Return Voltage: 26VDC OFF GRID OPERATION (AC INPUT) AC Start-up Voltage/Auto Restart Voltage: 120-140VAC/180VAC Acceptable Input Voltage Range: 90-280VAC or 170-280VAC Nominal Operating Frequency: 50/60Hz Maximum AC input current: 30A Surge Power: 8400W BATTERY MODE OUTPUT(AC) Nominal Output Voltage: 220/230/240VAC Efficiency (DC to AC): 94% BATTERY CHARGER Nominal DC Voltage: 24VDC Max Charging Current (solar to AC): 120A Max AC Charging Current: 100A Physical Net Weight (kg): 10 Dimension, D x W x H(mm): 420*350*110 Operating Temperature: -10℃ -50℃