Growatt SPF ES is one-phase hybrid inverter designed for residential and small industrial applications. Available capacities: 3kW, 3.5kW, 5kW. A properly designed hybrid system including SPF inverters and a battery pack and other accessories can maximize the self-sufficiency of a solar system and reduce electricity bills.

Growatt SPF 3500 ES (Solar Power Frequency) is a type of hybrid solar inverter designed for use in residential and commercial solar power systems. It is a combination of an inverter, a battery charger, and a transfer switch that manages the flow of energy between solar panels, batteries, and the electrical grid. The Growatt SPF inverter is known for its high efficiency, reliability, and flexibility. It can work with both on-grid and off-grid solar systems, and can be used for backup power during power outages. It also has a range of features, such as a built-in MPPT charge controller, LCD display, and remote monitoring capabilities through a mobile app.

One-phase hybrid inverter designed for residential and small industrial applications. Available capacities: 3kW, 3.5kW, 5kW. Inverter is also equipped with a range of advanced features that make it easy to install and use. It has a user-friendly interface that allows homeowners and installers to monitor system performance and adjust settings as needed. The inverter is also compatible with a range of monitoring systems, including WiFi, Ethernet, and GPRS.



  • DC/AC ratio up to 1.2
  • 2 times peak power ability
  • Output power factor up to 1.0
  • Up to 6 units in parallel for capacity extension
  • Multi-customized modes for diverse scenarios
  • Compatible with lithium, lead-acid and GEL batteries
  • Support WiFi and GPRS remote monitoring
  • PVkeeper platform for local commissioning
  • Timing charging and output control
  • Growatt comprehensive warranty plan
  • 2 year warranty
  • Basic specifications of hybrid inverter Growatt SPF 3500 ES:

    • Rated power [W] : 3500
    • Battery Voltage [VDC]: 48
    • Max. PV Array Power [W] : 4500
    • MPPT Range Operating Voltage – 120VDC – 430VDC
    • Charge Current [A] : 60
    • Dimensions (W / H / D) [mm] : 330/485/135
    • Weight [kg] : 11,5
    • MAX. efficiency [%] : 93
    • Protection degree: IP20