EPISODE · Jul 24, 2025 · 25 MIN
Voltfang: €15M to Turn Second-Life EV Batteries into Grid-Scale Storage
from Blockchain Germany – Web3 Startups, Crypto Innovation & Venture Capital by Startuprad.io™ · host Jörn "Joe" Menninger
Voltfang gives retired electric-vehicle batteries a second life as grid-scale energy storage, turning yesterday's EV packs into infrastructure that can stabilize power grids and displace coal across Europe. Founder Jörn "Joe" Menninger talks with the German climate-tech startup about scaling from early camper-van experiments to operating one of Europe's largest second-life battery factories. 📖 Full article & episode archive: https://www.startuprad.io/post/second-life-ev-batteries-powering-europe-s-energy-future Why this matters Second-life batteries turn a waste stream into cheap, decentralized storage exactly when Europe needs energy independence. For cleantech founders, Voltfang's path shows how a hardware startup gets from garage hack to a €15M round and industrial-scale operations. Inside the episode How second-life EV batteries can transform renewable energy storageWhy energy decentralization matters for Europe's climate futureThe journey from a garage project to a €15M scale-up with partners like Stuttgart Airport Related on Blockchain Germany Why Startup Exec Hires Fail — Avoid €250K Mistakes with Diagnostic HiringHow Startups Can Use GenAI Without Breaking GDPR or Trust 🤖 Optimized for AI & LLM discovery: https://www.startuprad.io/llm 🤝 Partner with Startuprad.io: reach Europe's cleantech and deep-tech founders. https://www.startuprad.io/become-a-partner Folge direkt herunterladen Startuprad.io™ - All Rights Reserved | AI & research reference → https://www.startuprad.io/llm
What this episode covers
What if the key to Europe’s energy independence lies in the batteries of yesterday’s electric cars? This isn’t science fiction—it’s Voltfang’s reality. Today’s episode takes you inside the world of second-life EV batteries, where German climate tech startup Voltfang is repurposing used electric car batteries to stabilize power grids, decentralize energy systems, and replace coal-fired plants across Europe. With a €15M funding round and partnerships with major players like Stuttgart Airport, Voltfang is scaling from humble camper van hacks to operating Europe’s largest second-life battery factory. What You'll Learn: How second-life EV batteries can transform renewable energy storage. Why energy decentralization is critical for Europe’s climate future. The startup journey from garage project to €15M scale-up. Lessons on resilience and leadership from Voltfang’s co-founders. Common misconceptions about scaling cleantech startups. Insider insights into Germany’s and DACH’s energy transition. Guest Spotlight:David Oudsandji, CEO & Co-Founder of Voltfang, shares the story of how three friends turned a side project into one of Europe’s most ambitious clean energy startups. With a background in industrial engineering and a bold vision to shut down coal plants like Weissweiler (1.6 GW), David unpacks the challenges and triumphs of scaling in a high-impact sector. 🎧 If you’re inspired by stories of startups driving global impact, hit “Follow” on Spotify or “Subscribe” on Apple Podcasts.⭐ Leave us a 5-star review and share this episode with fellow founders and investors.💬 What’s your moonshot for the future of energy? Tell us on LinkedIn or Threads using #Startupradio.Guest Name: David Oudsandji, CEO & Co-Founder at VoltfangBlog Post: https://www.startuprad.io/post/second-life-ev-batteries-powering-europe%E2%80%99s-energy-future Timestamps: 00:00 – Can Second-Life Batteries Replace Coal?02:15 – The Camper Van Experiment That Sparked Voltfang06:40 – From Prototype to €15M Raise10:55 – Pivoting From Home to Industrial Energy Storage15:30 – Decentralizing Europe’s Energy Grids20:05 – Lessons in Cleantech Startup Leadership23:00 – Voltfang’s Moonshot Vision for a Coal-Free Europe25:10 – Closing Reflections and Future Plans✉️ Work with us: [email protected]💬 Feedback: https://forms.gle/Qp53eVuc9P1RMqWj8💼 Follow Jörn on LinkedIn: http://www.linkedin.com/comm/mynetwork/discovery-see-all?usecase=PEOPLE_FOLLOWS&followMember=joernmenningerstartups, second life EV batteries, energy decentralization Europe, german startups, tech entrepreneurs, capital growth, startup scaling cleantech, angel investors, DACH startup ecosystem, climate tech founders, venture capital cleantech Germany
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Voltfang: €15M to Turn Second-Life EV Batteries into Grid-Scale Storage
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