GOOTU 6.2KW Dual Output Hybrid Solar Inverter Features: *Pure sine wave solar inverter(on/off Grid) *Output power factor 1.0 *WIFI&GPRS available forlOS and Android *Inverter can run without battery *One-key restoration to factory Settings *Built-in Lithium battery automatic activation *Built-in 120A MPPT Solar charge:max 6200W(for 3.6KW),max 6500W (for 6.2KW) *High PV input voltage range(60-500VDC) Built-in anti-dust kit for harsh environmentSmart battery charge design to optimize battery life *Dual output