SMA Sunny Island 4.4-8kW Inverter Offgrid Single Phase

Inverter Offgrid SMA Sunny Island 4.4M / 6.0H / 8.0H 1 Phase (SI4.4-6.0-8.0H-13)
• For use with self-consumption systems,
battery backup systems and off-grid
• For single- and three-phase systems
• Modular and extendable
• Sunny Portal powered by ennexOS
• State-of-the-art communication via Ethernet
• Commissioning via WLAN
• Webconnect
• Optimized data logging
Max Efficiency
95.5% / 95.8% / 95.8%
4,400W / 6000W / 8000W
460 / 357 / 122 mm
44 kg / 63 kg / 63 kg


SUNNY ISLAND 4.4M / 6.0H / 8.0H

The most reliable all-purpose solution – easier than ever

With the new generation of devices, the tried-and-tested Sunny Island battery inverters are easier and more affordable to install than ever – both in your home and in commercial applications as well as to the utility grid* and in off-grid locations.

Proven technology now even more affordable

The Sunny Island has been installed more than 120,000 times worldwide. With the new generation, installers and PV system operators benefit from an even more user-friendly battery inverter.

  • Lower system costs thanks to fewer components
  • Faster installation and commissioning with a simple user interface

Communicative in all areas

Thanks to its integrated user interface and standard WLAN and Ethernet interfaces, this can be immediately and easily configured and monitored via smartphones or tablets.

  • Uses standard Ethernet and WLAN interfaces
  • Webconnect for faster and easier PV system monitoring with Sunny Portal / Sunny Places
  • Local monitoring via web interface
  • Optimized data logging for maximum transparency, even without continuous online access

Always a reliable electricity supply

The Sunny Island runs reliably under even the most extreme conditions – without compromising its efficiency.

  • Exceptionally high overload capacity ensures a safe electricity supply, even in critical situations
  • IP54 for operation even in extreme environments



4.4kW, 6kW, 8kW

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