Brooklyn, New York, United StatesFounded 201924+ employeesPrivate
$25.4M raisedSeed· last: seed (Sep 2025)· 5 rounds
Backed by(9 investors)
Merrin Investors · LeadXerox Venture Capital · LeadCatalus Capital · LeadThird Derivative · LeadNational Science Foundation · Lead+4 more
Founded in 2019 by the scientists who discovered our revolutionary, patented chemistry at Columbia University, XL Batteries provides the energy industry with a low-cost, grid-scale Organic Flow Battery that will provide utility-scale energy storage with high efficiency, flexible duration, and non-flammability. This revolutionary technology combines proven flow battery architecture with patented, proprietary electrolyte chemistry to create the lowest cost, safest and most reliable long-duration energy storage solution for grid operators, independent power producers, microgrids, data centers and heavy industrial users. To learn more, please visit www.xlbatteries.com.
