iMeshbean&reg; 1000 Watt Grid Tie MPPT Power Inverter 22-60V AC to 110V AC Pure Sine Wave for Wind Turbine System Stackable AC Input Voltage Range (Optional):22V ~ 60V AC ; AC Output Voltage Range: 90V ~ 130V AC; AC Output Frequency Range: 46Hz ~ 65Hz Normal AC Output Power: 900W; Maximum AC Output Power: 1000W; Total Harmonic Distortion(THD): &lt;5%; Power Factor: 0.99 Output Current Waveform: Pure Sine-wave; MPPT Function; Over Current Protection; Over Temperature Protection; Reverse Polarity Protection; Anti-Island Protection; Stackable Package includes:1 x 1000W GRID TIE Power Inverter+1 x Power Cord,