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Energy storage

sonnenBatterie 10

The all-round talent for intelligent energy storage systems.

  • Capacity 5.5 - 22 kWh
  • Charge/Discharge 4.6 kW
  • Warranty 10 Years
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The centre piece of your sustainable household.

The sonnenBatterie does not only store energy, it's smart. As an intelligent, backup capable, energy storage system, sonnenBatterie 10 can integrate into any existing PV system on the market. Gain your energy independence now and secure yourself against future energy price increases.

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Your key benefits.

Lower your electricity bills.

Together with solar panels you can use up to 80% of your self-generated energy to help lower your electricity bills.

Future proof and modular design.

Our batteries are designed so that you can add to your storage capacity, future proofing you against any future changes in your household electricity demand.

10-year peace of mind warranty

With over 90,000 sonnenBatteries installed globally enjoy an added peace of mind with our 10-year warranty.

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sonnenProtect 4000 – Backup power

The backup solution for sonnenBatterie 10.

The sonnenProtect 4000 ensures that you can keep your lights on during a power outage. Our backup solution will automatically detect a power outage from the grid and in doing so, it will protect your home so that you can keep your solar panels and sonnenBatterie up and running. Power outages are a thing of the past.


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

Our battery cell chemistry - where safety meets innovation.

Our Battery Technology department is responsible for the innovation, testing, and battery modules of our sonnenBatterie. They ensure that anything we create at sonnen is proofed against any future advancements in technology from sonnen.

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WHO WE ARE | Battery Technology