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The most reliable all-purpose solution—easier than ever
The Sunny Island battery inverter supports a wide range of on- and off-grid installations with compelling product features—
from operation in off-grid areas to home energy management. Users can benefit from SMA’s experience in having installed
more than 120,000 Sunny Island inverters installed worldwide. Thanks to its integrated user interface and standard WLAN
and Ethernet interfaces, the Sunny Island 4.4M / 6.0H / 8.0H can be immediately and easily configured and monitored via
smartphones or tablets. And being a core element in the SMA Flexible Storage System, the Sunny Island temporarily stores
self-generated power, thus making it possible to use solar power around the clock.
Its high protection class, wide temperature range and exceptional overload capability always provide the kind of reliability
needed for off-grid use. Intelligent load and energy management keeps the system running even in critical situations.
The Sunny Island is the ultimate all-purpose solution—and includes a 10-year warranty.


  • For self-consumption systems, battery backup systems and off-gridsystems
  • For single- and three-phase systems up to 24 kW
  • All lead-acid batteries and many lithium-ion batteries can be used


  • Maximum efficiency greater than 95 %
  • High efficiency of overall system
  • Easy commissioning and installation

Safe and reliable

  • Proven safety thanks to external certification
  • Long battery life thanks to intelligent battery management
  • Reliable operation thanks to high overload capacity

Additional information:

- SMA Sunny Island Inverter Technical data
SMA Sunny Island Technical Information

Additional Information

Inverters by kW 4 to 7.9 kW
Price ฿103,437

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