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Sonnen Battery

Intelligent, long-lasting and economical – the Sonnen Battery .

The Sonnen Battery is a high-tech storage system that has proven itself in thousands of households – every day. The combination of a PV system and a Sonnen Battery will allow you to cover about 75% of your yearly energy requirement with self-produced and clean energy.

Since your energy is being generated on your roof and not by some anonymous energy provider you are more independent than before. So take your energy future into your own hands and reduce your energy costs to a minimum. The decision for a Sonnen Battery is also a decision for the highest standards in safety and quality that “Made in Germany” stands for a system of this size.

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Discover the Sonnen Battery

Clean energy for you or all – this is how it works


Technology from the market leader

The Sonnen Battery comes with the experience of 20,000 installed systems – build into each unit, the newest technology for highest independence and maximum longevity. All in a compact case that offers highest flexibility thanks to its modular design.

Dimensions (H/W/D in cm)

Base cabinet (2 kWh): 70/64/22
Dimensions 4 – 10 kWh: 137/64/22
Dimensions 4 – 16 kWh: 184/64/22


2 kWh – 16 kWh
(expandable in steps of 2 kWh)


10 years or 10,000 charge cycles


1.5 kW – 3.0 kW (single phase)
1.5 kW – 3.3 kW (three phase)

Design Lifespan

20 years

System intelligence

With the use of predictive charging you maximise your PV output

Complete storage system

Everything included, ready to connect

Operating mode

Single phase, three phase and hybrid


Keep an eye on your energy supply: with the Sonnen App

With the Sonnen App you’ll be able to check your energy usage and production – anytime and from anywhere. Use the Sonnen App on your smartphone or tablet to monitor, analyse and control the supply and demand of your household.

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Meets your energy needs whether you are a small or a big family

Every household has its own very specific energy needs. That’s why the Sonnen Battery was developed as a multi-stage storage system that can be adapted to the most diverse energy needs. With storage sizes ranging from 2 kWh to 16 kWh the Sonnen Battery will power a detached house or a multi-family house. The Sonnen Batteries energy capacity can be individually expanded in blocks of 2 kWh – should you ever feel the need to increase the power storage in your house.



Information & Tech Specs