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ESS Acquires Intellectual Property And Assets Of VoltStorage; Terms Undisclosed

Benzinga·02/18/2026 13:36:25
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Acquisition Expands ESS Technology Portfolio and Strengthens Path to Lower-Cost, Scalable Long-Duration Storage

Key VoltStorage Executive and Engineering Personnel Join ESS, Strengthening the Commercial and Technical Bench

ESS Tech, Inc. ("ESS" or the "Company"), a leading innovator in long-duration energy storage solutions, today announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a pioneer in iron-salt battery technology. This strategic move combines two complementary technologies to deliver the most flexible, cost-effective long-duration energy storage solution available on the market. The combined platform will set a new industry standard for performance, sustainability, and affordability. This acquisition adds VoltStorage's portfolio of patents and technical development work to ESS' robust existing intellectual property base. Through the transaction, ESS also gains access to skilled personnel with deep electrochemistry, materials science, and technology development background.