In recent years, the demand for lithium batteries in the United States has continued to grow, with home energy storage, commercial backup power, and new energy projects becoming increasingly common. When choosing batteries, you might care more about safety certification, stable supply, and user experience, not just the price.
In the current U.S. lithium battery market, there are both local brands and manufacturers relying on global supply chains, each offering different product features and service models. As a lithium battery manufacturer with long-term experience serving overseas markets, we have compiled a list of 10 representative U.S. companies for your reference and comparison.
Contenuti
Top 10 Lithium-Ion Battery Manufacturers in the USA
Tesla, Inc.
- Headquarters: United States
- Founded: 2003
- Prodotti principali:
– Home Battery Storage: 5–20 kWh, Modular and scalable
– Commercial / Industrial Energy Storage: Tens to hundreds of kWh, up to MWh level
- Web: https://www.tesla.com/
Tesla, Inc. was founded in 2003 and is a leading company in the U.S. lithium-ion battery field. The company focuses on energy storage, offering solutions for homes, businesses, and utility projects, and holds a strong position in the U.S. market.
In 2015, Tesla launched Powerwall and Powerpack, officially entering the energy storage field. Later, it introduced Megapack, expanding into grid-scale and large energy storage projects. Whether for daily backup power or high-capacity storage, these systems provide reliable support for you.
Tesla Powerwall
A123 Systems
- Headquarters: United States
- Founded: 2001
- Prodotti principali:
– Cell: about 3.3–3.7 V
– Home Energy Storage Systems: 5–17 kWh per unit, freely expandable
– Commercial & Industrial Storage Systems: tens to hundreds of kWh, can be combined into larger systems
- Website: https://www.a123systems.com/
A123 Systems was founded in 2001 and is a U.S. lithium-ion battery manufacturer, offering cells and modular energy storage systems. Its products cover home and commercial energy storage and can be flexibly scaled to meet project needs. They are widely used for load management, backup power, and renewable energy integration. With years of experience in battery materials and system integration, A123 provides stable and reliable solutions for energy storage projects of all sizes.
A123 Systems
EnerSys
- Headquarters: United States (Reading, Pennsylvania)
- Founded: 1999
- Main Products:
– Industrial Energy Storage / Backup Power
– Power Batteries
- Website: https://www.enersys.com/
EnerSys is headquartered in the United States and is a supplier focused on energy storage and power solutions. The company’s products are commonly used in situations that require stable power, including communication base stations, UPS, telecom equipment, and data centers. At the same time, its NexSys® iON lithium-ion and traditional power batteries are also widely used in forklifts and industrial vehicles.
EnerSys provides supporting equipment such as battery chargers, power management, and monitoring devices to ensure long-term stable operation. You can choose the battery solution that best fits your needs. Whether it’s for backup power or industrial energy storage, they can provide reliable support.
The company is also expanding U.S.-based lithium battery production, including plans to build new lithium-ion production lines. This will strengthen the local supply chain and help meet the demand for storage batteries in industrial and defense sectors.
Enersys Energy
Microvast Holdings, Inc.
- Headquarters: United States (Stafford, Texas)
- Founded: 2006
- Prodotti principali:
– Power Batteries
– Energy Storage Systems
- Website: https://microvast.com/
Microvast was founded in 2006 and is an American manufacturer focused on high-performance lithium batteries. Its products cover electric commercial vehicles, industrial power equipment, and large-scale energy storage projects, offering cells, battery packs, and complete solutions with fast charging, long cycle life, and safety.
Microvast’s large energy storage systems are suitable for renewable energy integration and grid balancing. Each system can reach several MWh of energy and supports a long cycle life. You can choose the system that fits your needs, whether for commercial storage or utility projects, and it provides stable and reliable power management.
The company is also expanding its U.S. manufacturing capacity to meet the fast-growing demand in the power and energy storage markets.
Microvast
Lithion Battery Inc.
- Headquarters: United States (Henderson, Nevada)
- Founded: Around 2020
- Prodotti principali:
– Cells and Battery Modules
– Energy Storage Systems
- Website: https://www.lithionbattery.com/
Lithion Battery is a U.S.-based lithium battery company, offering complete solutions from cells to battery packs and energy storage systems. Its products are flexible and customizable, suitable for different applications. Whether for alimentazione di riserva domestica, commercial energy optimization, or industrial equipment, you can adjust the capacity and configuration to meet your needs.
With Lithion’s systems, you can get reliable power support. At the same time, you benefit from scalable and durable designs that meet electricity needs of various scales. The company also has local production and assembly facilities in the U.S., making delivery and maintenance more convenient.
Lithion Battery
East Penn Manufacturing
- Headquarters: United States (Lyon Station, Pennsylvania)
- Founded: 1946
- Prodotti principali:
– Traditional Batteries: lead-acid, AGM, Gel, and others
– Energy Storage & Backup Power: used for telecom, UPS, and industrial backup batteries
– Other Power Products: cables, connectors, and accessories
- Website: https://www.eastpennmanufacturing.com/
East Penn Manufacturing is an American battery maker with a long history. It has been operating in Pennsylvania since 1946 and is a well-known provider of power solutions in the industry. The company has a wide product range, including traditional lead-acid batteries, valve-regulated sealed batteries (AGM, Gel), and backup power systems for various industries.
You will find East Penn’s batteries in automotive starting power, heavy equipment power, communication base station backup power, and UPS systems. Especially its Deka brand batteries, having been in the market for many years, are used in many industrial and backup power projects.
For users who want to improve equipment reliability or set up a backup power system, East Penn products can meet your various needs. Its established distribution network and strict manufacturing management ensure stable supply.
East Penn Manufacturing
Stryten Energy
- Headquarters: United States (Alpharetta, Georgia)
- Founded: 2000s
- Main Products:
– Power Batteries
– Industrial Batteries
– Energy Storage Systems
– Energy Management and Monitoring Software
- Website: https://www.stryten.com/
Stryten Energy is a U.S.-based battery manufacturer offering a range of battery technologies, including lead-acid and lithium-ion. Its products cover industrial equipment, material handling vehicles, data center backup power, and energy storage systems. You can choose the battery solution that best fits your needs.
Its lithium battery products include the M‑Series for equipment like forklifts. These batteries offer high energy density, fast charging, and durability, making them suitable for high-intensity usage environments. The company also provides scalable energy storage systems, allowing flexible configurations based on your power needs.
Stryten has manufacturing facilities in the U.S., ensuring stable delivery and local support. At the same time, they are continuously expanding production capacity to meet the energy storage demands of industries, data centers, and power infrastructure.
Stryten
SK On (Georgia)
- Headquarters: United States (Commerce, Georgia)
- Founded: Around 2019–2021 (as the U.S. branch of SK Innovation)
- Prodotti principali:
– Power Batteries: used for electric vehicles (EVs)
– Energy Storage Batteries: may expand to home and commercial energy storage systems in the future
- Website: https://www.sk-on.com/
SK On is the U.S. branch of global battery maker SK Innovation. Its factory in Commerce, Georgia, has a production capacity of about 22 GWh, mainly producing power batteries for electric vehicles. You can find its cells and modules in some popular EVs, such as the Ford F‑150 Lightning and Volkswagen ID.4.
Although home and commercial energy storage is still a future direction, SK On is already developing LFP battery production lines suitable for storage systems. As its capacity grows and projects move forward, you can also follow its development in the North American EV and energy storage markets.
SK On
KORE Power
- Headquarters: United States (Coeur d’Alene, Idaho)
- Founded: Around 2018–2019
- Prodotti principali:
– Cells and Battery Packs: support energy storage and electric mobility
– Complete Storage Solutions: integrated systems, including DC Block, which can be assembled on site
- Website: https://www.korepower.com/
KORE Power is a U.S.-based lithium-ion battery manufacturer, focusing on battery solutions for energy storage and electric mobility. The company provides products ranging from battery cells to complete energy storage systems. It is also committed to strengthening the domestic U.S. lithium battery supply chain.
KORE Power’s storage products include the DC Block series, a pre-installed, modular system with capacities from about 750 kWh to 1.3 MWh. These systems can be combined based on project needs, making on-site deployment and integration easier.
The company is also advancing its KOREPlex factory project, planning to further expand domestic cell production in the U.S. In the future, when you choose storage products or battery cells, you will see more locally made batteries that meet U.S. market and grid standards.
Kore Power
Energia Delong
- Headquarters: China
- Founded: 2012
- Prodotti principali:
– Low-Voltage Storage Batteries: 5 kWh–200 kWh
– High-Voltage Storage Batteries: 20 kWh–500 kWh
– Lithium Power Batteries: 36 V–96 V battery packs
– Deep Cycle Batteries: 12 V–48 V, 7 Ah–600 Ah
- Website: https://www.delongtop.com/
Delong Energy is a company engaged in the design and manufacturing of lithium battery packs. It has its own R&D team and a production facility of about 6,000 m². Its products cover a variety of applications, including outdoor power, home backup power, commercial storage projects, factory energy management, and low-speed power equipment. You can also customize capacity and system configuration based on your project needs.
Delong stackable energy storage batteries are especially popular in overseas markets. They range from 5 kWh to 80 kWh and are widely used for daily home power and backup during outages, providing stable power support for many users.
In recent years, Delong has continued to improve its overseas service network. The company launched a European warehouse in 2024 and plans to build a U.S. warehouse in 2026, making it easier for local customers to stock and ship products. This also benefits users who want samples quickly for purchasing decisions.
Energia Delong
How to Choose a Lithium-Ion Battery Manufacturer in the USA? (Buyer’s Guide)
When choosing a U.S. lithium-ion battery manufacturer, the key is not the size of the brand, but whether it fits your actual needs. You can start by looking at these points:
- Define the application
Is it for home, commercial or industrial storage, or for power and industrial equipment? Different manufacturers often focus on different applications.
- Understand the product type
Some manufacturers offer complete energy storage systems, while others focus more on battery packs or modules. This affects installation and future expansion.
- Check certifications and compliance
Entering the U.S. market usually requires certifications like UL.
- Confirm delivery and local support
Whether the manufacturer has a factory, office, or warehouse in the U.S. affects delivery speed and communication.
- Evaluate total cost
Besides the product price, consider shipping, lead time, and after-sales support.
Conclusione
Among the 10 lithium battery suppliers above, there are both U.S.-based companies and manufacturers relying on global supply chains. You can reach out to them to discuss your project needs and make your own assessment. We will also keep this list updated to maintain its usefulness as a reference.
If you want to experience products and services from a premium Chinese manufacturer, you can also contact us. We can customize cost-effective lithium battery solutions that meet your project requirements.
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