Drei Gründer der VoltStorage GmbH
Where Rules
Are Changed
Where Rules
Are Changed

VoltStorage – The Next Generation Battery Company

Founded in 2016 in Germany, VoltStorage has become the technological forerunner for stationary flow batteries within a few years. Three visionary founders, an international team of experts and supportive investors have made this success possible.

VoltStorage at a glance











World’s largest operating flow battery fleet

Since the market launch of our residential flow battery system in 2019, we have constantly increased the number of installed systems. Meanwhile, we have the largest fleet of operating flow batteries in the world.


Patented battery manufacturing

With our patented flow battery cell design, we were the first company in the world to succeed in developing a battery cell stack for flow batteries that can be manufactured automatically and thus produced in high numbers.

Zwei Forscher und eine Batteriezelle

Iron salt technology

Unrivaled 50€ per kWh: The iron salt technology is destined to shape the future of battery storage beyond lithium, because of the widely available and low-cost iron-based storage medium.

founding team

Jakob Bitner – CEO

“The energy transition is a great opportunity to make the world a cleaner and fairer place. Storing electricity in order to uncouple production and consumption is an important factor for its success. With VoltStorage we want to contribute to this success story.”

Jakob Bitner CEO and co-founder of VoltStorage. Jakob is responsible for Finance, Marketing and Business Development.

VoltStorage-CTO Michael Peither

Michael Peither – CTO

“With the development of our lithium-free ‘Next Generation Batteries’, we are responding to the significantly increasing demand for battery storage solutions based on climate-friendly materials with high raw material availability. Only with the establishment of appropriate battery storage technologies, the energy transition can succeed.”

Michael Peither is Chief Technology Officer and co-founder of VoltStorage. Michael is responsible for the Research and Development Department, patents and new developments.

Felix Kiefl

Felix Kiefl – CPO

“We want to make energy from renewable sources available everywhere and at any time. Power supply from wind and solar must become the standard. Our goal with VoltStorage is to make a significant contribution towards a power supply of 100% from renewable sources.”

Felix Kiefl is Chief Product Officer and co-founder of VoltStorage. Felix is responsible for product engineering, software development and production.


Korys Logo


Korys is the investment company of the Belgian family Colruyt.

Investor since 2020

Bayern Capital Logo

Bayern Kapital

Bayern Kapital is the venture capital company of the State of Bavaria.

Investor since 2020

EIT Inno Energy Logo

EIT Inno Energy

EIT InnoEnergy is the innovation driver for sustainable energy in Europe.

Investor since 2020

Wi Venture Logo

Matthias Willenbacher + Business Angels

Willenbacher is co-founder of juwi, formerly the largest German developer for wind turbines.

Investor since 2019

Energie 360° Logo

Smart Energy Innovations Fonds (SEIF)

The SEIF is a venture capital fund of Energie 360° AG, a major Swiss energy supplier.

Investor since 2017



SOSV is the largest early-stage hardware investor in the world, based in the USA.

Investor since 2016


World Map

Munich (Germany)

At our company headquarters in Munich, we develop and produce “Next Generation Batteries” – lithium-free battery storage solutions for 100% renewable energies around the clock.


Shenzen (China)

Thanks to our investor SOSV, we also have a site in Shenzen, China, and thus benefit from close proximity to development partners and suppliers.


Wiwin Award Logo
Energie Start-Up Award Bayern Logo
SET Award Logo
Innovatoren Unter 35 Deutschland Logo
Forbes 30 Under 30 Logo
ees Award Logo