Invinity Energy Systems plc manufactures and sells vanadium flow batteries (VFB) for energy storage solutions in the United Kingdom, Canada, the United States, Australia, and China. The company also develops electricity grids, as well as offers electric grid services. It provides batteries for energy storage for utilities and developers, commercial and industrial, and off-grid and microgrid applications. Invinity Energy Systems plc was incorporated in 2006 and is based in Saint Helier, the United Kingdom.