Home battery storage
sonnenBatterie 12
Minimalistic by design. Modular by nature.
The sonnenBatterie 12 is a modular hybrid home battery that combines elegant design with powerful energy storage. Designed and engineered in Germany, it delivers reliable backup power, flexible AC and DC coupling, and scalable capacity for homes that want greater energy independence.
9.4 – 28.2 kWh
Scalable capacity
IP65
Outdoor & Indoor installation
AC & DC
Flexible coupling
10 yr/10,000
Cycle warranty
Our core strengths, your benefits
Hybrid flexibility
Designed for both AC and DC coupled systems, the sonnenBatterie 12 adapts to your installation — not the other way around.
Backup power & beyond
Integrated Easy Backup automatically supplies your home during power outages, with fast switchover, black start capability and solar recharging included.
Modular & Minimalistic by design
Clean lines, concealed cabling and a compact footprint create a storage system that looks at home in modern living spaces.
Scalable up to 28.2 kWh to meet every energy demand.
Long-term peace of mind with sonnen
LFP Battery Cells
From the very beginning, we have relied on lithium iron phosphate (LFP) technology for our batteries. This technology is not only more environmentally friendly, but also safer and longer-lasting than many other cell types. LFP batteries are known for their long service life and high efficiency, without relying on critical raw materials such as cobalt.
Battery research in-house
At the sonnen laboratory, our experts continuously test the latest storage technologies to support a more sustainable energy future. Strict testing procedures ensure outstanding safety, efficiency and durability. Extreme stress tests simulate decades of use, while our storage systems are constantly refined to meet the demands of tomorrow’s smart energy networks.
Data servers in Germany
All data is stored on servers in Germany and protected in line with the highest security standards. Daily monitoring of installed systems allows potential issues to be identified at an early stage, while automated battery maintenance helps ensure consistently reliable product quality.
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