Develops and manufactures specialized lithium-ion batteries with optimizations for safety, temperature resistance, and performance. Core technologies include silicon-dominant cells via Enevate partnership, SCC55® silicon material from Group14 Technologies, pressure-neutral systems for underwater use, and modular cell architecture enabling customization and cost-effective production.
Product portfolio includes silicon-dominant batteries with ultra-fast charging (up to ten times faster than conventional cells), pressure-neutral modules for submersible applications, and bespoke power solutions for medical devices.
In 2024, secured a $300 million supply agreement with Group14 Technologies through 2030; filed nearly 40 new patents; partnered with KREISEL on high-performance battery research; announced plans to build a U.S. manufacturing facility.
Founders Leopold König and Torge Thönnessen serve as the primary shareholders. Key investors include Porsche (via Cellforce Group JV), Vsquared Ventures, 468 Capital, World Fund (which led a €60M Series A), Abacon Capital, and Ventresa.