iMeshbean 500w Gird Tie Inverter MPPT Pure Sine Wave for Solar Panel System DC 22V-50V TO AC 110V/120V USA Normal AC Output Power:450W; Maximum AC Output Power:500W AC Output Voltage Range: 90V ~ 130V; DC Input Voltage Range: 22V ~ 50V; Total Harmonic Distortion(THD):&lt;5%; Power Factor: 0.99 AC Output Frequency Range: 46Hz ~ 65Hz. Peak Inverter Efficiency: 92%; Output Current Waveform:Pure Sine-wave; Standby Power consumption:&lt;0.5W Features:MPPT Function/Over Current Protection/Over Temperature Protection/Reverse Polarity Protection/Island Protection/Stackable Package Includes: Power inverter and Power cord