Specializes in lithium-ion battery systems focusing on lithium iron phosphate (LFP) technology. The Gridstack Pro series offers 5–6 MWh capacity per enclosure with advanced safety features. Manufacturing of battery packs and modules occurs in U.S. facilities, emphasizing energy density, thermal management, and system integration. Ongoing research includes sodium-ion and solid-state batteries in partnership with Northvolt, with predictive maintenance–enabled battery management systems.
Energy storage platforms: Gridstack, Ultrastack, Sunstack; flagship Gridstack Pro series (5–6 MWh per enclosure, advanced safety features); digital software solutions: Mosaic and Nispera for optimized energy asset management.
In 2025, partnered with DTEK to deploy 200 MW of energy storage systems across six sites in Ukraine (completion 2025) to enhance grid stability and support energy independence.
Primary stakeholders include Siemens and AES; additional investors comprise public shareholders via the NASDAQ (FLNC) listing.