Voltfang

Founded in 2020 as a RWTH Aachen spin-off, Voltfang specializes in sustainable energy storage by repurposing used EV batteries with AI-driven technology. Offering reliable, cost-effective solutions for commercial and industrial applications, the company boasts over 70 employees and 200+ industry partnerships.

Company Location

Country:

Germany

City:

Aachen

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Company Overview

Voltfang, founded in 2020 as a spin-off from RWTH Aachen University, specializes in sustainable energy storage by repurposing used EV batteries into systems for commercial and industrial applications; the 70+ employee company partners with 200+ industry players to extend battery life, reduce costs, and minimize environmental impact.

Battery Technology

Voltfang renovates and repurposes Nickel-Manganese-Cobalt EV batteries using a proprietary AI-based testing system to assess remaining lifetime and performance, then reconstructs them into battery energy storage systems with integrated inverters and energy management software, backed by a 10-year guarantee and continuous online monitoring.

Products

Offers Voltfang 2 for SMEs and Voltfang Plus for larger projects up to 40 MWh; systems integrate with solar installations, heat pumps, and charging stations and include advanced energy management software, inverters, and comprehensive monitoring.

Recent Projects

In 2024 secured a Series A €8 million+ financing with €0.8 million grants to deploy an additional 40 MWh capacity by 2025, expanded production and enhanced energy management systems, and implemented storage solutions across various industries, earning the German Sustainability Award.

Investors

Series A round led by FORWARD.One and Interzero, with participation from PT1, AENU, Helen Ventures, Daphni, Aurum Impact and Maximilian Viessmann; earlier €5M round in 2023 led by PT1 with Eviny and other strategic investors.

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