Unlimited charging cycles. 10-year warranty. Only with the Voltfang Batteryflat.
Green battery storage for industry and commerce
CO2 reduction
Safe & independent into the future
Our battery storage systems are the ideal addition for your company to make yourself independent of rising electricity prices, enable the availability of renewable energies at all times and ensure constant security of supply. Ideal for SMEs as well as industrial customers, the Voltfang battery storage system is easily scalable from a minimum size of 58 kWh up to 25.75 MWh.
Commercial storage
The Voltfang commercial storage units offer maximum performance and flexibility for indoor and outdoor areas. Whether for small businesses or industrial applications, they increase self-consumption, strengthen your charging infrastructure and reduce expensive peak loads.
Capacity starting from
45 kWh
Power starting from
50 kW
10 Years Guarantee
Available
Now!
Large-scale battery storage
Whether for grid stability, energy trading, or as part of a sustainable power supply – Voltfang large-scale battery storage systems offer a reliable and scalable solution for modern energy systems.
Capacity starting from
3,2 MWh
Power starting from
1,2 MW
10 Years Guarantee
Manage the energy of tomorrow
With energy management from Voltfang, you always have your energy flows under control, optimize your CO2 savings and increase your efficiency in real time. Get started now and experience how easy energy management can be!
Planning reliability
Count on us.
Not on your charging cycles.
Our green battery storage systems, Voltfang 2 and Voltfang 2 Indoor, offer maximum flexibility and full planning reliability: whether for self-consumption, peak shaving, time-of-use, or trading – you get 100% performance, regardless of the number of charging cycles.
Thanks to intelligent control by the Voltfang EMS, your storage system remains efficient, long-lasting – and economically attractive.
Security
We guarantee lifelong reliability
Practical case studies: Voltfang in action
Discover in our practical case studies how companies from industry, retail, and logistics are successfully using Voltfang battery storage systems. Learn more – from detailed load profile analyses and impressive cost savings to the innovative technologies behind them.
Longevity guarantee
Maximum performance
We efficiently optimize battery lifespan by adjusting the ratio of gross to net capacity and significantly reducing cyclic aging.
The result: a lifespan of 10 to 15 years and noticeable financial benefits.
Our various battery modules benefit from this proven concept and, thanks to our Batteryflat, come with a guaranteed lifespan of 10 years.
Complete package
Robust, flexible standardized
The Voltfang 2 from the outdoor segment comes as a complete solution with all key components. Quick and easy to install, it can withstand extreme conditions from -20 to +50 °C. Its doubled capacity with the same space requirement as the previous model enables more efficient energy storage and a shorter amortization period.
Generation 2 of our battery system offers even more performance. Our modular system uses high-quality, requalified electric car batteries and enables quick and easy installation thanks to standardized plug-in units.
Maximum security: Our 24/7 service monitors and maintains your system at cell level.
Seamless integration of a wide range of applications into the Voltfang EMS – for maximum efficiency through optimal storage utilization, with and without PV systems.
Thanks to our 10-year warranty with no limit on charging cycles, your system’s storage capacity is preserved in the long term – if needed, we’ll replace battery modules quickly and easily.

Our partner program
As an electrician, solar installer, project developer or planning office for renewable energies, you can help us to meet the growing market demand and ensure a stable energy supply for companies and businesses. Become our partner!