Gelion plc, together with its subsidiary, engages in the research and development, manufacture, and sale of battery systems in the United Kingdom and internationally. The company provides storage batteries, which include lithium-sulfur, and room temperature sodium sulfur, lithium-Ion batteries, recycling technology, bespoke battery energy storage systems, and zinc hybrid cell batteries. Its products are used in various applications, including drones, commercial electronics, defense, and electric vehicles; and stand-alone power systems, commercial and industry systems, and utility-scale storage and reserve power applications. The company was incorporated in 2015 and is based in Norwich, the United Kingdom.