Growth boost for Tesvolt subsidiary: Stercom gains strategic investor
Zapi Group acquires majority stake in charging infrastructure and storage specialist Stercom
Lutherstadt Wittenberg, Weyarn, 6.8.2025 – Charging infrastructure and storage specialist Stercom has gained another strategic investor: Zapi Group, a global leader in electrification, is acquiring a majority stake in the Tesvolt subsidiary. This strategic partnership secures important growth momentum for Stercom’s Weyarn location, technology development, and international business activities, particularly in the field of e-mobility. Stercom is one of the leading suppliers of onboard chargers for industrial commercial vehicles and mobile systems.
Press gallery: https://www.tesvolt.com/en/press/growth-boost-for-tesvolt-subsidiary-stercom-gains-strategic-investor.html
Investment important for further growth
“E-mobility in the commercial vehicle sector is a huge growth market. Our onboard chargers enable bidirectional charging and are among the technological pioneers,” says Robert Sterff, CEO and founder of Stercom. “With the help of Zapi, we are now taking the next step in our growth.”
The synergies created within the Zapi Group strengthen Stercom’s purchasing, development, sales, and service departments. In addition, the company can tap into new market segments and thus improve its international competitiveness.
“By collaborating with its strong European partner Zapi, Stercom can continue to develop innovative technologies directly from its location south of Munich, thereby contributing to sustainability ‘Made in Germany’. This is an important aspect for Tesvolt as a technology company based in Wittenberg,” adds Daniel Hannemann, CEO of Tesvolt AG.
Tesvolt continues to hold a stake in Stercom and will continue to work closely with the team around founders Robert Sterff and Martin Kutschker in the future.
Leading onboard charger technology from Stercom
The OBC V2X from Stercom Power Solutions is an innovative, latest-generation onboard charger that enables electric vehicles not only to charge, but also to act as a source of energy. Thanks to its unique universal grid compatibility feature, it can be used not only in Europe, but worldwide.
The innovative bidirectional charger connects vehicles to the power grid, buildings, and other devices and vehicles. This not only offers flexibility for users, but also has the potential to relieve the strain on the power grid and promote the transition to a sustainable energy supply.
About Tesvolt
TESVOLT AG is an innovation and market leader for commercial and industrial energy storage system solutions in Germany and Europe. Its products enable companies to end their energy dependency and play a part in the energy transition. The agile company produces intelligent lithium storage systems with capacities from 10 kilowatt hours through to multiple megawatt hours – with top quality and TÜV-certified safety. TESVOLT manufactures its commercial storage system solutions in series production at its own carbon-neutral gigafactory in Lutherstadt Wittenberg and delivers them worldwide.
About Stercom
Stercom was founded in 2014 by Robert Sterff, Rudi Pauls, and Martin Kutschker with the aim of contributing to a livable future through innovation and expertise. Today, the company employs 55 people and is a recognized innovation leader in power electronics, particularly chargers, but also battery management and special storage technologies in Europe.
Press contact
Vera Neuhäuser
phone: +49 30 221 83 82 49
mobile: +49 178 53 68 425
email: vera.neuhaeuser@sunbeam-communications.com