Top 10 Lithium Iron Phosphate Battery Companies in the US for 2025
As you zoom through 2025 in your electric vehicle or rely on solar-powered home energy, lithium batteries are the silent heroes powering your sustainable lifestyle. With the US lithium battery market soaring past $36 billion, fueled by skyrocketing EV demand and green energy initiatives, you’re likely curious about the trailblazers driving this electrified future. Whether you’re an investor, a tech enthusiast, or simply eco-conscious, this SEO-optimized guide dives deep into the top 10 lithium battery companies in the US for 2025. You’ll explore their origins, headquarters, products, and more, listed clearly line by line, to feel the pulse of innovation that’s charging up your world with efficiency and sustainability.
Part 1. Iwis Solar Manufacturers in China
Part 2.Tesla
You’ll be electrified by Tesla’s bold vision, transforming how you experience energy with batteries that push boundaries.
Establishment time: Founded in 2003 by Martin Eberhard and Marc Tarpenning.
Headquarters: Austin, Texas.
Company overview: Tesla is a global leader in electric vehicles and energy storage, integrating battery manufacturing, software, and sustainability to drive a clean energy revolution with massive US Gigafactories.
Main products: 4680 cylindrical cells for EVs (Model Y, Cybertruck) and Powerwall/Megapack for home and grid storage.
Advantage products: Vertically integrated production reduces costs, while rapid R&D delivers high energy density and scalability for your EV and home energy needs.
Unique products: Cobalt-free LFP cells with over 3,000 cycles and enhanced safety, ideal for affordable EVs and robust grid applications.
Market share: Approximately 20% of the US EV battery market and 39% in battery energy storage systems (BESS) in 2025.
Company type: Manufacturer and technology innovator.
Company dynamics: Despite a Q1 2025 net profit dip of 71%, Tesla’s Gigafactory expansions in Nevada and Texas, plus Cybertruck production ramp-up, signal strong growth in domestic battery output.
Part 3.Panasonic
You’ll trust Panasonic’s century-long expertise, delivering batteries that power your EV journeys with unwavering reliability.
Establishment time: Founded in 1918, with lithium-ion focus since the 1990s.
Headquarters: Kadoma, Osaka, Japan, with major US operations in Sparks, Nevada, and De Soto, Kansas.
Company overview: Panasonic Energy Co., Ltd., a key division, is a world-renowned EV battery supplier, collaborating with Tesla and others, with significant US manufacturing presence.
Main products: 2170 and 4680 cylindrical cells for EVs and energy storage systems.
Advantage products: High energy density and stringent safety protocols ensure durability and performance in demanding conditions.
Unique products: Silicon-anode cells enabling up to 50% faster charging, perfect for minimizing your EV downtime.
Market share: Around 12-15% of the US lithium battery market, strong in automotive applications.
Company type: Manufacturer and technology developer.
Company dynamics: Launched a $4 billion Kansas plant in July 2025, boosting 32 GWh annual capacity; Q1 2025 profit rose 47% due to AI-driven EV demand.
Part 4. LG Energy Solution
You’ll love the tailored power of LG Energy Solution, seamlessly fitting batteries into your EVs and home solar systems.
Establishment time: Spun off in 2020 from LG Chem, with battery R&D since 1992.
Headquarters: Seoul, South Korea, with US operations in Holland, Michigan, and Queen Creek, Arizona.
Company overview: A global lithium-ion leader, LG focuses on EV, IT, and energy storage systems, with a growing US footprint through joint ventures like Ultium Cells.
Main products: Pouch-type NCM batteries for EVs with ranges up to 400 miles.
Advantage products: Flexible pouch-cell designs and high efficiency optimize performance for diverse vehicle and storage needs.
Unique products: LFP cells for ESS with enhanced fire resistance and cost-effectiveness, ideal for your solar-powered home.
Market share: Approximately 14% of the US market, leading in grid-scale batteries.
Company type: Manufacturer and R&D specialist.
Company dynamics: Q2 2025 revenue hit KRW 5.6 trillion, profit up 152%; a new Michigan LFP plant and a $4.3 billion Tesla deal strengthen their US dominance.
Part 5. A123 Systems
You’ll rely on A123 Systems for rugged batteries that power your toughest missions, from hybrid fleets to military ops.
Establishment time: Founded in 2001 as an MIT spinout.
Headquarters: Livonia, Michigan (under Wanxiang Group, Hangzhou, China).
Company overview: Specializes in lithium iron phosphate technology for transportation, grid, and commercial uses, with a strong US R&D and manufacturing base.
Main products: LiFePO4 cells for motive power and automotive applications.
Advantage products: Nanophosphate technology offers rapid power delivery and thermal stability for high-stress environments.
Unique products: 300Ah aluminum-cased cells for defense and storage, excelling in durability and extreme conditions.
Market share: 3-5% in the US industrial lithium segment.
Company type: Manufacturer and technology innovator.
Company dynamics: Appointed JLL for US expansion in February 2025; showcased smart home batteries at Intersolar 2025, reinforcing niche leadership.
Part 6. EnerSys
Picture your industrial operations running smoothly—EnerSys delivers the relentless power you’ll depend on.
Establishment time: Formed in 2000 from legacy energy firms.
Headquarters: Reading, Pennsylvania.
Company overview: A global leader in stored energy solutions, EnerSys designs batteries for motive, reserve, and specialty power, with a focus on industrial applications.
Main products: Thin-plate pure lead hybrids and lithium-ion batteries for motive power.
Advantage products: High durability and eco-friendly manufacturing reduce downtime and align with your sustainability goals.
Unique products: Modular lithium lines for telecom and renewables, offering scalable, tailored solutions.
Market share: About 8% of the US industrial battery market.
Company type: Manufacturer and energy solutions provider.
Company dynamics: Q1 FY2026 sales reached $893 million, up 5%; acquired Bren-Tronics and raised dividends by 9% in August 2025, boosting growth.
Part 7 . Microvast
You’ll race through your day with Microvast’s fast-charging batteries, keeping your commercial fleets on the move.
Establishment time: Founded in 2006.
Headquarters: Stafford, Texas.
Company overview: Innovates lithium-ion systems for electric vehicles and energy storage, with a focus on commercial applications and ultra-fast charging.
Main products: LpTO (lithium titanate oxide) cells with over 10,000 cycles.
Advantage products: Proprietary chemistry enables ultra-rapid recharges, up to 80% faster than competitors.
Unique products: Polyaramid separators enhance safety in high-heat environments, ideal for heavy-duty uses.
Market share: 2-4% in the US EV battery market.
Company type: Manufacturer and technology developer.
Company dynamics: Q2 2025 revenue at $91.3 million, up 9.2%; Q1 at $116.5 million, up 43%; raised FY2025 gross margin target to 32%.
Part 8. Clarios
Feel the ease of starting your hybrid every time—Clarios ensures that seamless reliability you’ll value.
Establishment time: Traces roots to 1885, spun off in 2019.
Headquarters: Milwaukee, Wisconsin.
Company overview: Global leader in low-voltage vehicle batteries, serving automotive OEMs and aftermarket with advanced energy storage solutions.
Main products: AGM batteries with lithium integration for vehicle cranking.
Advantage products: Deep 12V expertise enhances compatibility and efficiency in connected vehicles.
Unique products: Supercapacitor-lithium hybrids for start-stop systems, reducing emissions and boosting efficiency.
Market share: 15-20% of the US automotive lithium market, four times larger than competitors.
Company type: Manufacturer and energy storage specialist.
Company dynamics: Produced one-millionth 12V lithium-ion battery in January 2025; announced a $6 billion US manufacturing plan, with Toledo production starting in 2026.
Part 9. East Penn Manufacturing
You’ll embrace East Penn’s eco-conscious approach, powering your world with batteries crafted from recycled materials.
Establishment time: Founded in 1946 by DeLight Breidegam Jr. and Sr.
Headquarters: Lyon Station, Pennsylvania.
Company overview: A family-owned giant, the world’s largest single-site lead-acid battery manufacturer, now advancing into lithium via Navitas Systems for motive and EV applications.
Main products: High-capacity motive batteries for EVs and industrial forklifts.
Advantage products: Closed-loop recycling of 99% materials ensures sustainable, reliable production.
Unique products: Deka Ready Power modular lines for quick industrial swaps and scalability.
Market share: About 10% in North American motive power markets.
Company type: Manufacturer and sustainable energy solutions provider.
Company dynamics: Launched Deka Ready Power family at ProMat 2025; won the 2025 BCI Amplify Award for industry leadership and sustainability.
Part 10. Ultralife Corporation
Trust Ultralife to power your critical devices, from medical equipment to drones, with precision you’ll rely on.
Establishment time: Founded in 1991 as a Kodak battery spin-off.
Headquarters: Newark, New York.
Company overview: Designs and manufactures batteries and communications systems for global OEMs, defense, and industrial markets, focusing on high-reliability solutions.
Main products: Lithium 9V batteries for low-drain applications.
Advantage products: Custom engineering for extreme conditions ensures unmatched reliability.
Unique products: Hybrid chemistries for specialized power in medical implants and UAVs.
Market share: 1-3% in the US specialty lithium market.
Company type: Manufacturer and power solutions provider.
Company dynamics: Q2 2025 backlog at $89 million; Q1 sales up 32% to $50.7 million; advancing thionyl chloride battery production for 2025.
Part 11. Sion Power
You’ll dream big with Sion Power’s lithium-metal breakthroughs, pushing your EV ranges to new horizons.
Establishment time: Founded in 1989 as a Brookhaven Lab spinout.
Headquarters: Tucson, Arizona.
Company overview: Pioneers advanced lithium-metal battery technology with over 430 patents, targeting EVs and aerospace for high-energy solutions.
Main products: Licerion cells with lithium-metal anodes for elite performance.
Advantage products: High energy density, up to 50% better efficiency, reducing costs and weight.
Unique products: Lithium-sulfur cells with dendrite prevention, promising lighter, safer alternatives.
Market share: Emerging 1-2% in US premium EV and aerospace sectors.
Company type: Manufacturer and R&D innovator.
Company dynamics: Installed a 75MWh production line in March 2025; strengthened leadership for commercialization, focusing on energy, cost, and safety advancements.
Part 12. Your Power
There you have it—the top 10 lithium battery companies electrifying the US in 2025. As you explore these innovators, you’ll feel their impact on your sustainable future, from zippy EVs to resilient grids. With the market booming beyond $36 billion, which company sparks your vision for tomorrow?
