Sonnen Battery
sonnenBatterie 10
The sonnenBatterie 10 represents the latest evolution in smart energy storage systems for both residential and commercial use. Manufactured in Germany with advanced LFP (Lithium Iron Phosphate) technology, this battery offers maximum safety, outstanding durability, and up to 96.8 % efficiency. It’s designed to last over 20 years or 10,000 cycles, and includes a 10-year warranty.
Available in usable capacities from 5 to 20 kWh per unit and expandable up to 247.5 kWh in cascade installations (9 units), it's ideal for households and medium-sized businesses seeking energy independence. Its compact and modular design allows for quick installation with single-phase or three-phase connection options, depending on the model.
The system includes a high-efficiency inverter (up to 95 %) and offers charging/discharging power up to 4.6 kW (single unit) or up to 41.4 kW in expanded configurations. It operates reliably between -5 °C and 45 °C, features IP30 protection, and complies with key international certifications such as IEC 62619, VDE AR-N 4105, and UN 38.3.
- Safe LFP technology, cobalt-free
- Expandable up to 247.5 kWh (cascade configuration)
- Integrated inverter with up to 95 % efficiency
- Charging/discharging power up to 41.4 kW
- 10-year warranty and 10,000-cycle lifespan
- Optional accessories: sonnenProtect 4000 and sonnenKNX module
You take the first step
We take care of everything else
1. We calculate your potential savings
Enter your details and average energy usage to instantly get an estimate of your costs and savings.
2. Personalized advice
Share your case with our experts to receive a comprehensive, tailored, and no-obligation assessment.
3. Installation and maintenance
Our team will carry out the installation quickly and with full guarantees.
4. Total energy independence
Save, enjoy, and relax... You're now the owner of your own clean energy!
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Detailed study without obligation
For each budget, we prepare a Customized Study that highlights:
- Annual savings, annual return and estimated payback period.
- Recommended materials (panels, battery and inverter).
- Total value of subsidies and allowances.
- Installation price and financing options.
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