Top 12 Power Battery Manufacturers in the US 2025
As you navigate the rapidly evolving landscape of electric vehicles and renewable energy in 2025, you’ll find that power battery manufacturers in the US are at the forefront of innovation. These companies are driving advancements in lithium-ion technology, solid-state batteries, and sustainable energy storage, making them essential for a greener future. Whether you’re researching for your next EV purchase or exploring investment opportunities, this detailed guide highlights the top 12 players, focusing on their US operations, production capabilities, and contributions to the industry. You’ll discover how each one stands out in terms of reliability, efficiency, and cutting-edge features.
Part 1. Iwis Solar Manufacturers in China
Part 2. Panasonic Energy
1. Founded: 2008 (Energy division)
2. Headquarters: Osaka, Japan (with major US facilities in Nevada and Kansas)
3. Company Overview: You’ll recognize Panasonic Energy as a key partner in the US EV supply chain, specializing in high-performance cylindrical batteries that power some of the most popular electric vehicles.
4. Main Products: Lithium-ion batteries for EVs, energy storage, and consumer electronics.
5. Advantage Products: Batteries with superior cycle life and thermal stability, ideal for high-demand applications.
6. Characteristic Products: The 2170 and 4680 cells, optimized for Tesla’s vehicles with enhanced energy density.
7. Company Type: Battery manufacturer and supplier.
8. Company Dynamics: In 2025, you note Panasonic beginning mass production at its new Kansas factory, aiming for 32 GWh annual capacity to boost local US EV battery supply.
Part 3.LG Energy Solution
1. Founded: 2020 (Spin-off; research since 1992)
2. Headquarters: Seoul, South Korea (with US plants in Michigan and Ohio)
3. Company Overview: You’ll value LG Energy Solution for its leadership in pouch-type batteries, powering a wide range of EVs through joint ventures and global partnerships.
4. Main Products: Pouch and prismatic lithium-ion cells for EVs and energy storage systems.
5. Advantage Products: High-nickel NCM cathodes offering excellent energy density and cost efficiency.
6. Characteristic Products: LFP cells for affordable, long-life applications in commercial vehicles.
7. Company Type: Global battery manufacturer.
8. Company Dynamics: For 2025, you observe strong Q2 financials with KRW 5.6 trillion in revenue, alongside the opening of an LFP manufacturing plant in Michigan to meet rising US demand.
Part 4. SK On
1. Founded: 2021 (Spin-off from SK Innovation)
2. Headquarters: Seoul, South Korea (with US facilities in Georgia)
3. Company Overview: You’ll find SK On excelling in diverse battery formats, supplying major US automakers and focusing on sustainable, high-performance solutions.
4. Main Products: Pouch, prismatic, and cylindrical lithium-ion batteries for EVs.
5. Advantage Products: High-nickel chemistries that provide superior power output and longevity.
6. Characteristic Products: NCM9 series cells, designed for ultra-fast charging and extended range.
7. Company Type: EV battery manufacturer.
8. Company Dynamics: In 2025, you see SK On showcasing its full portfolio at InterBattery, including breakthroughs in solid-state tech, and announcing a battery supply deal with Nissan for US production.
Part 5. Ultium Cells LLC
1. Founded: 2019
2. Headquarters: Warren, Ohio, USA
3. Company Overview: As a joint venture, you’ll see Ultium Cells driving GM’s EV strategy with scalable battery production tailored for the US market.
4. Main Products: Pouch-type lithium-ion cells for electric vehicles.
5. Advantage Products: Modular designs that allow flexibility in vehicle integration and cost reduction.
6. Characteristic Products: LFP and NMC cells, optimized for affordability and high performance in GM’s Ultium platform.
7. Company Type: Joint venture battery manufacturer.
8. Company Dynamics: In 2025, you note upgrades at the Tennessee plant for LFP production, alongside plans for LMR prismatic cells to enhance US EV competitiveness.
Part 6 . Tesla Inc.
1. Founded: 2003
2. Headquarters: Austin, Texas, USA
3. Company Overview: You’ll appreciate Tesla as a pioneer in electric mobility and energy storage, integrating battery manufacturing into its ecosystem to support massive-scale production and innovation in sustainable transportation.
4. Main Products: Battery cells, energy storage systems like Powerwall and Megapack, and integrated EV powertrains.
5. Advantage Products: High-energy-density lithium-ion cells that enable longer driving ranges and faster charging times.
6. Characteristic Products: The 4680 cylindrical cells, known for their structural integration and reduced manufacturing costs.
7. Company Type: Integrated manufacturer of vehicles and batteries.
8. Company Dynamics: In 2025, you see Tesla facing a sales dip in Q1 with 323,800 units delivered, yet maintaining dominance as the Model Y remains the world’s best-selling EV, with ongoing expansions in Gigafactory output.
Part 7 . Samsung SDI
1. Founded: 1970
2. Headquarters: Yongin-si, South Korea (with US operations in Michigan)
3. Company Overview: You’ll respect Samsung SDI’s long history in batteries, now focused on advanced EV solutions with US joint ventures.
4. Main Products: Prismatic and cylindrical lithium-ion batteries for EVs and ESS.
5. Advantage Products: High-capacity cells with rapid charging capabilities.
6. Characteristic Products: 46-series cylindrical batteries, known for their efficiency and scalability.
7. Company Type: Rechargeable battery manufacturer.
8. Company Dynamics: For 2025, you highlight the start of 46-series production and supply to US customers, as detailed in their sustainability report.
Part 8. Envision AESC
1. Founded: 2007
2. Headquarters: Yokohama, Japan (with US plants in Tennessee and Kentucky)
3. Company Overview: You’ll admire Envision AESC for its focus on safe, reliable batteries, with a strong emphasis on US manufacturing to support local EV growth.
4. Main Products: Lithium-ion pouch cells for EVs and energy storage.
5. Advantage Products: Cells with enhanced safety features and high cycle life for demanding applications.
6. Characteristic Products: Gen5 cells, featuring improved energy density and carbon-neutral production processes.
7. Company Type: Battery technology manufacturer.
8. Company Dynamics: Throughout 2025, you track expansions in US facilities, including a new plant in Kentucky producing 30 GWh annually, amid efforts to localize supply chains.
Part 9.A123 Systems
1. Founded: 2001
2. Headquarters: Hangzhou, China (with US roots and operations)
3. Company Overview: You’ll appreciate A123 Systems for its pioneering work in high-power batteries, now integrated into US hybrid and EV applications.
4. Main Products: Lithium-ion cells including LFP and NMC for vehicles.
5. Advantage Products: High-power output for quick acceleration and regenerative braking.
6. Characteristic Products: Nanophosphate technology, offering exceptional safety and durability.
7. Company Type: Battery systems manufacturer.
8. Company Dynamics: In 2025, you observe displays of latest technologies at The Battery Show Europe, emphasizing US market expansions.
Part 10. Microvast
1. Founded: 2006
2. Headquarters: Stafford, Texas, USA
3. Company Overview: You’ll discover Microvast as a US-based innovator in fast-charging batteries for commercial and utility applications.
4. Main Products: LTO, NMC, and LFP lithium-ion batteries for EVs and ESS.
5. Advantage Products: Ultra-fast charging reducing downtime for fleets.
6. Characteristic Products: All-solid-state batteries with breakthrough energy density.
7. Company Type: Battery technology provider.
8. Company Dynamics: Early 2025 brings news of solid-state breakthroughs and showcases at CIBF and Smart Energy Week for next-gen solutions.
Part 11. EnerSys
1. Founded: 2000 (Predecessors over 100 years)
2. Headquarters: Reading, Pennsylvania, USA
3. Company Overview: You’ll rely on EnerSys for robust industrial batteries, expanding into EV and motive power in the US.
4. Main Products: Lead-acid and lithium-ion batteries for industrial and motive applications.
5. Advantage Products: Long-life designs for harsh environments.
6. Characteristic Products: TPPL (Thin Plate Pure Lead) batteries, known for maintenance-free operation.
7. Company Type: Stored energy solutions manufacturer.
8. Company Dynamics: In 2025, you see workforce realignments for growth and awards at DCS for data center innovations.
Part 12. East Penn Manufacturing
1. Founded: 1946
2. Headquarters: Lyon Station, Pennsylvania, USA
3. Company Overview: You’ll trust East Penn as the largest single-site battery maker in the US, emphasizing sustainability and family-owned values.
4. Main Products: Lead-acid batteries for automotive and industrial use.
5. Advantage Products: Highly recyclable designs with superior cold-cranking performance.
6. Characteristic Products: AGM and gel batteries for vibration resistance and deep cycling.
7. Company Type: Family-owned battery manufacturer.
8. Company Dynamics: 2025 features the launch of Deka Ready Power at ProMat and the BCI Amplify Award for industry leadership.
Part 13. Clarios
1. Founded: 1885
2. Headquarters: Glendale, Wisconsin, USA
3. Company Overview: You’ll turn to Clarios for advanced low-voltage solutions, powering nearly every vehicle type in the US.
4. Main Products: AGM and lithium-ion batteries for start-stop and hybrid systems.
5. Advantage Products: Enhanced flooded batteries for fuel efficiency.
6. Characteristic Products: xEV low-voltage lithium-ion batteries with smart features.
7. Company Type: Energy storage manufacturer.
8. Company Dynamics: A major 2025 announcement includes $6 billion in US investments and milestone of one-millionth lithium-ion battery produced.
As you conclude your journey through these top 12 power battery manufacturers in the US for 2025, you’ll realize the immense potential they hold for transforming transportation and energy storage. With ongoing innovations in efficiency, safety, and sustainability, these companies are not just meeting current demands but shaping a future where electric power is more accessible and reliable than ever. Keep an eye on their developments, as they continue to power your world forward.
