Customcells develops and recycles high-performance lithium-ion batteries that power products such as cars, medical equipment and some fossil-fuel development projects. The company produces cells built for high-heat environments (above 122°F) and emphasizes battery recycling. Its customer base includes small jet maker Lilium and more than half of Germany’s major automotive companies, with Porsche among its customers. Customcells raised about $63 million (€60 million) in a Series A to accelerate a push into e-aviation. The funding is also intended to support expansion outside Germany into the U.S. and Asia. The company is positioning its battery technology to address weight and performance challenges in electric aircraft. Custom Cells Itzehoe manufactures tailored electrode foils, special types of rechargeable lithium batteries, and assembles battery systems for niche markets. Founded in 2012 by Torge Thönnessen as a spin‑off of the Fraunhofer Institute for Silicon Technology, the company focuses on specialist applications of lithium accumulators. It serves approximately 250 clients in over 30 countries. The product mix emphasizes custom solutions—tailored electrode foils and special battery types—positioning the company for industrial and specialist use cases. Following P3 group's strategic investment, P3 intends to support Custom Cells’ business model, leverage synergies and expand its own markets. Early backers exited in conjunction with the transaction. Custom Cells Itzehoe GmbH (CCI) is a developer of flexible energy storage systems based in Itzehoe, Germany. Led by Torge Thönnessen and King Leopold, the company produces optimized energy storage solutions for customer-specific applications built on a proprietary lithium-battery technology platform. Its battery systems are tailored for uses such as prostheses, autonomic weather stations, satellites, drilling sensors, autonomous underwater vehicles and concept cars. The company raised capital from strategic investors to strengthen its position. It intends to use the funds to improve market positioning, optimize production processes and support growth. Custom Cells Itzehoe manufactures electrode foils, rechargeable accumulators and complete battery systems for a range of niche applications. The company supplies components and systems for prosthetics, weather stations, satellites, drill head sensors, unmanned underwater vehicles and concept cars. It is led by co-CEOs Torge Thönnessen and Leopold König. The firm is also working toward future battery solutions using innovative materials. Custom Cells received funding from High‑Tech Gründerfonds and intends to use the proceeds to continue to grow the business. The article does not disclose operating metrics or the amount and instrument of the funding.

Total raised

$63M

Funding rounds

4

Latest round

Series A

Latest activity

Dec 2022