Battery Systems Suppliers in United States

Our Next Energy (ONE) is an American battery technology startup developing innovative dual-chemistry battery systems to drastically improve EV range. Founded in 2020 in Michigan, ONE gained prominence by demonstrating a prototype battery that enabled an electric car to drive 752 miles on a single charge. ONE’s approach combines a high-power battery for regular driving with a high-energy battery for extending range (called “Gemini” architecture), packaged into one system. The company is building a factory in Michigan to produce its first commercial battery packs by 2024–2025, targeting commercial trucks and SUVs requiring long range. ONE also offers Aries, a LFP-based battery pack for stationary storage and fleet vehicles. With significant funding and partnerships (including with BMW and others), ONE is rapidly scaling from R&D to manufacturing. The company’s mission is to eliminate range anxiety and make EVs more accessible by delivering safe batteries with twice the range of today’s solutions.

Factorial Energy is a U.S. developer of solid-state batteries for electric vehicles, focusing on high-energy-density and safe cells. Founded in 2019, Factorial’s FEST (Factorial Electrolyte System Technology) uses a proprietary solid electrolyte to enable lithium-metal anodes, achieving up to 450 Wh/kg energy density. The technology supports longer EV range, fast charging, and enhanced safety by eliminating flammable liquid electrolytes. Factorial has partnerships with Mercedes-Benz, Stellantis, and Hyundai for prototype testing and development. The company operates an R&D and pilot facility in Massachusetts, producing cells for automotive validation. Factorial’s scalable technology is designed for integration into existing manufacturing lines, accelerating commercialization. With significant funding and a focus on automotive-grade batteries, Factorial is positioned to lead the solid-state battery revolution for EVs.

XALT Energy, part of Freudenberg e-Power Systems, is a U.S.-based manufacturer of advanced lithium-ion batteries for heavy-duty mobility and marine applications. XALT (formerly Dow Kokam) has deep expertise in high-power graphite/NMC pouch cells and battery packs, supplying customers in transit bus, truck, and marine industries. Now under Germany’s Freudenberg Group, XALT operates a fully integrated battery plant in Midland, Michigan, producing cells, modules, and battery management systems. Its batteries are designed for rigorous duty cycles with long life and reliability. XALT/Freudenberg also provides turnkey battery systems and support for commercial OEMs moving to electrification. With in-house R&D and manufacturing, the company can prototype and produce custom energy storage solutions. Known for quality engineering, XALT Energy empowers electric buses, mining vehicles, and even ships, contributing significantly to the electrification of heavy transport sectors.

Zenlabs Energy is a U.S. developer of high-energy-density lithium-ion batteries, specializing in silicon-anode cells for electric vehicles. Founded in 2014, Zenlabs’ proprietary technology achieves energy densities up to 400 Wh/kg, enabling longer EV range and faster charging. Its cells use silicon-rich anodes and advanced electrolytes to improve performance and cycle life. Zenlabs supplies prototype cells to automotive and aerospace clients, including partnerships with major OEMs for testing. The company operates a pilot production facility in California and is scaling up to meet demand. Zenlabs’ focus on cost-effective, high-performance batteries positions it as a key player in advancing EV adoption through innovative cell technology.

Solid Power is a leading developer of solid-state battery cells aimed at revolutionizing energy storage for electric vehicles. Originating from Colorado in 2012, Solid Power has created sulfide-based solid electrolyte technology that enables battery cells with higher energy density and improved safety compared to conventional liquid electrolyte lithium-ion cells. The company is known for its collaborations with major automakers Ford and BMW, delivering prototype all-solid-state cells for testing. Solid Power’s cells use high-capacity silicon or lithium metal anodes and nickel-rich cathodes to achieve greater energy content, all while eliminating flammable liquid components for enhanced safety. In 2022, Solid Power began pilot production of 20 Ah solid-state cells on a pre-pilot line and is working to scale up to automotive production volumes. The company has also licensed its cell design and manufacturing know-how to BMW for parallel development. As a publicly traded company, Solid Power has raised significant capital to build out its production capabilities. The technology, although still in development, promises to extend EV driving range and enable faster charging once fully matured. By mastering solid-state chemistry and manufacturing processes, Solid Power aims to be among the first to commercialize automotive-grade solid-state batteries, positioning itself at the forefront of next-generation EV power sources.

SES AI Corporation is a U.S.-based leader in lithium-metal battery technology for electric vehicles and urban air mobility. Founded in 2012 as a spin-out from MIT, SES develops hybrid lithium-metal cells with a proprietary high-energy electrolyte and AI-driven battery management software. Its batteries offer energy densities up to 400 Wh/kg, enabling longer EV range and lighter packs. SES operates pilot facilities in the U.S. and South Korea, producing prototype cells for partners like General Motors, Hyundai, and Honda. The company is building a gigafactory in Shanghai to scale production. SES’s AI platform optimizes battery performance and safety, addressing lithium-metal challenges like dendrite formation. As a publicly traded company, SES is poised to lead the transition to high-energy, fast-charging batteries for next-generation EVs.

24M Technologies is a U.S. innovator in semi-solid lithium-ion battery technology, offering a simplified manufacturing process for EV and energy storage batteries. Founded in 2010, 24M’s SemiSolid platform reduces production costs by using a thick electrode slurry, eliminating multiple steps in traditional cell manufacturing. Its batteries provide high energy density, safety, and fast charging, suitable for automotive and grid applications. 24M licenses its technology to partners like Kyocera and FREYR Battery, and has a joint venture with Volkswagen for EV cell production. The company operates a pilot line in Massachusetts and is scaling up through partnerships. 24M’s sustainable approach includes recyclable cell designs, positioning it as a key player in cost-effective, high-performance battery production for the global EV market.

QuantumScape is a Silicon Valley-based company pioneering solid-state battery technology for electric vehicles. Founded in 2010 and backed by Volkswagen, QuantumScape’s goal is to commercialize a lithium-metal solid-state battery that can deliver a step-change in energy density, charging speed, and safety. The company has developed a proprietary ceramic solid electrolyte separator that enables the use of a pure lithium metal anode, eliminating the graphite/silicon anode and thus significantly increasing energy per cell. In late 2020, QuantumScape publicly demonstrated single-layer cells with impressive performance, and has since been advancing to multi-layer cell prototypes. The technology promises up to 80% greater energy density than today’s Li-ion, and the ability to charge to 80% in 15 minutes, all while being safer (non-flammable) and with longer life. QuantumScape is in R&D phase with a pilot line (“QS-0”) in San Jose and plans for a larger pre-production line (“QS-1”) with VW in Germany. The company’s development timeline targets automotive sample deliveries in coming years and mass production mid-decade. As a high-profile startup with a successful public listing, QuantumScape has drawn attention for its potential to revolutionize EV batteries. While challenges remain in scaling and durability, QuantumScape’s solid-state cells represent one of the most promising pathways to dramatically improve EV range and convenience, and the company is intensely focused on turning that promise into commercial reality.

Amprius Technologies is a U.S. leader in high-energy-density lithium-ion batteries, specializing in silicon-anode cells. Founded in 2008, Amprius has developed silicon nanowire anode technology that delivers up to 500 Wh/kg energy density, significantly higher than conventional lithium-ion batteries. Its cells are used in aerospace, drones, and are being adapted for electric vehicles to extend range. Amprius operates a pilot production facility in California and is scaling up with a new factory to produce cells for automotive and aviation markets. The company’s batteries offer fast charging, high power, and long cycle life, with partnerships including Airbus and the U.S. Army. As a publicly traded company, Amprius is poised to meet growing demand for high-performance batteries, driving innovation in EVs and electric aviation.

Microvast is a U.S.-headquartered global battery manufacturer known for ultra-fast charging lithium-ion battery systems. Founded in 2006 in Texas, Microvast provides high-performance battery cells, modules, and packs for commercial electric vehicles (buses, trucks) and energy storage. The company’s technology emphasizes long cycle life and safety, using proprietary cathode, anode, and electrolyte innovations. Microvast operates vertically integrated manufacturing in China and is expanding production in Europe and the USA to serve a growing customer base. It has supplied thousands of battery systems to electric public transport fleets worldwide. Now publicly listed, Microvast continues to innovate (including new battery chemistries like polyaramid separator tech) to improve energy density and charging speeds. With a global footprint and extensive field experience, Microvast is a trusted partner for electrifying transportation, delivering batteries that balance power, longevity, and safety.

Enevate Corporation is a U.S. developer of advanced silicon-dominant lithium-ion batteries for electric vehicles. Founded in 2005, Enevate’s HD-Energy technology uses silicon anodes to enable ultra-fast charging (5-minute charge for 240 miles) and high energy density (up to 350 Wh/kg). Its cells are designed to be drop-in compatible with existing manufacturing processes, reducing adoption barriers. Enevate licenses its technology to battery manufacturers and automakers, with partnerships including Renault-Nissan-Mitsubishi. The company operates an R&D and pilot production facility in California, producing prototype cells for automotive testing. Enevate’s focus on cost-effective, high-performance batteries addresses key EV challenges like charging speed and range, positioning it as a key enabler for mass EV adoption.

EnerSys is a global leader in stored energy solutions, manufacturing batteries for industrial, motive power, and energy storage applications. Founded in 1999, EnerSys is known for its lead-acid and lithium-ion battery systems, serving markets like material handling, aerospace, and EV charging infrastructure. In the EV space, EnerSys produces lithium-ion battery packs for forklifts, AGVs, and specialty vehicles, offering drop-in solutions with integrated BMS for high efficiency and low maintenance. The company operates over 30 manufacturing facilities worldwide and has a strong presence in the Americas, Europe, and Asia. EnerSys’ lithium solutions emphasize durability and fast charging, certified to UL and IEC standards. With a focus on sustainability, EnerSys also provides battery recycling services. Its extensive experience and global network make it a reliable partner for industrial electrification and energy storage.

Sion Power is a U.S. innovator in high-energy-density battery technology, focusing on lithium-metal and lithium-sulfur batteries. Founded in 1989, Sion Power’s Licerion technology combines lithium-metal anodes with advanced electrolytes to achieve energy densities up to 500 Wh/kg, targeting EV and aerospace applications. The company’s batteries promise longer range and lighter weight compared to traditional lithium-ion cells. Sion Power operates a pilot line in Tucson, Arizona, producing prototype cells for automotive and aviation testing. With partnerships like BASF and investments from Volkswagen, Sion Power is advancing toward commercial production. Its focus on safety and performance, including proprietary electrolyte formulations, positions it as a leader in next-generation battery solutions for electric mobility.

Green Cubes Technology is a U.S. designer and manufacturer of lithium-ion battery systems for industrial motive power and stationary backup applications. Established in 1986, the company transitioned from power electronics into providing advanced battery solutions that replace legacy lead-acid batteries. Green Cubes produces lithium battery packs for material handling equipment (like Class I, II, III forklifts, pallet jacks), ground support equipment, medical carts, and telecom UPS systems. Its Lithium SAFEFlex product line offers drop-in lithium-ion packs complete with battery management and charging systems, tailored to fit common fork truck models and other vehicles – these improve efficiency with opportunity charging and zero maintenance. Green Cubes also makes stationary battery cabinets for data center UPS and telecom, with intelligent monitoring. Engineering and assembly is performed in Indiana and at an overseas facility, with the company adhering to strict quality and safety standards (UL Listing, UN 38.3). Green Cubes works closely with OEMs to customize battery form factors and communications for seamless equipment integration. Its value proposition is increased productivity and lower total cost of ownership by switching from lead-acid to lithium. With thousands of its batteries deployed in warehouses, hospitals, and airports, Green Cubes Technology has established itself as a reliable provider of lithium power systems in traditionally lead-acid dominated industries, accelerating the shift to cleaner and smarter power sources.