SUNNY ISLAND 4.4M / 6.0H / 8.0H: The most reliable all-purpose solution – easier than ever
SUNNY ISLAND 4.4M / 6.0H / 8.0H

SUNNY ISLAND 4.4M / 6.0H / 8.0H Contact SMA

Proven technology
now even more affordable

The Sunny Island has been installed more than 70,000 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
  • Warranty period extended to 10 years

Proven technology now even more affordable
Kommunikativ in allen Bereichen

Communicative in all areas

Thanks to its integrated user interface and standard WLAN and Ethernet interfaces, the Sunny Island 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

Fast commissioning in eight steps

Can be used flexibly in private homes and commercial enterprises


The Sunny Island has maximum flexibility, from operation in remote off-grid areas to commercial or home energy management. It gives planners total freedom in the size and type of system, the battery and the type of energy generation. Works with self-consumption systems, battery backup systems and off-grid systems.

  • Ideal for retrofits or modular expansions of single- and three-phase systems in the 1 to 30 kW range
  • All lead-acid batteries and over 20 different lithium-ion batteries can be used
  • Can be expanded with SMA Multicluster-Technology for systems in the 20 to 300 kW range

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

Jederzeit zuverlässige Stromversorgung

Possible system configurations with Sunny Island 4.4M / 6.0H / 8.0M


Sunny Island 4.4M / 6.0H / 8.0H FAQs


  • How can I use the Sunny Island to become less dependent on rising electricity costs?
    How do my home appliances keep running even when there is a grid failure?
    Our planning guidelines provide the answers you need.

  • What does my optimal PV system with the Sunny Island look like?
    With the SMA Sunny Design planning software, you can configure your system to fit your personal needs in just a few steps.

  • How do I install the grounding for a stand-alone grid?
    Which PV inverter is suitable for my stand-alone grid?
    Which lithium-ion batteries are compatible?
    You can find the answers to your questions in our useful manuals.

Sunny Design

With Sunny Design, you can plan your tailor-made PV system in just a few clicks.

Plan your system now

If you have any questions, please contact SMA.

If you have any questions,
please contact SMA.

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