Gelion plc Gelion plc engages in the research, development, design, manufacture and sale of advanced battery systems and energy storage solutions, focusing on next-generation technologies including sulfur-based cathodes for lithium-sulfur and sodium-sulfur batteries, zinc hybrid cells and lithium-ion battery recycling processes. The company offers zinc-bromide batteries under the Endure brand; proprietary sulfur cathode active materials; integrated battery energy storage systems with cloud-based monitoring; and customized solutions for applications in industrial light towers, solar and wind farms, desalination plants, mining pumps, passenger and heavy vehicles, electric buses and trains, irrigation systems, grid management, drones, unmanned aerial vehicles, commercial e-aviation and utility-scale stationary energy storage systems. Gelion plc operates through segments in the United Kingdom and Australia, targeting commercial and industrial enterprises, grid operators, mining, agriculture and manufacturing sectors with products that provide alternatives to lithium-ion and lead-acid batteries, emphasizing lower weight, cost, increased safety, simplified manufacturing and sustainable materials. Incorporated in 2015 and headquartered in Sydney, Australia, with registered offices in London, United Kingdom, the company wholly owns subsidiaries OXLiD Ltd and Battery Minerals Ltd in Nottingham, UK, and Gelion Technologies Pty Ltd in Australia. Recent developments include a full collaboration agreement with TDK Corporation in October 2025 to develop large-format commercial pouch cell prototypes using Gelion's sulfur battery cathode active material, building on a multi-year partnership with the Max Planck Institute of Colloids and Interfaces; strategic agreements with the University of Nottingham and UKRI; the appointment of Dr. Graham Cooley as non-executive director in 2025; and the first commercial sale of integration solutions generating revenue recognition, alongside commissioning of advanced manufacturing capabilities in Sydney and the UK to advance sulfur technologies and recycling processes.