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Backup Solution

sonnenProtect 2500

The perfect backup solution for sonnenBatterie hybrid.

  • Discharge 2.5 kW
  • Switchover time 15 sek.
  • Protection IP 30
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Keep your lights on with our backup box.

sonnenProtect 2500 ensures that power outages are a thing of the past when installing a sonnenBatterie Hybrid. Together, they detect potential power outages in the grid and once detected, they secure your home and switch to island mode to keep your solar panels and battery running.

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Advtanges at a glance.

Keep your home energy system on.

Our backup box will automatically detect and protect your entire energy system from the grid by switching to island mode where you can keep your solar panels and battery on.

Switchover time of 15 seconds.

The backup box will switch over in about 15 seconds securing yourself from the grid until the grid is back up and running again.

Set your backup buffer.

Set a backup buffer on your battery so that when the grid goes dark you will always have a safety net of energy stored.

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sonnenBatterie hybrid – Energy storage

The centre piece of your sustainable household.

The sonnenBatterie does not only store energy, its smart. As an intelligent, backup capable, energy storage system, sonnenBatterie Hybrid ensures your home uses as much self-generated energy as possible before going to the grid for more energy. Gain your energy independence now and secure yourself against the constant increase of electricity prices.


As a sonnen customer you are part of the sonnenCommunity and together we share one vision: clean and affordable energy for everyone.

Frequently Asked Questions