Battery Manufacturers

Last updated: January 2026

This directory lists 57 battery manufacturers across the United States, from specialized custom pack integrators focused on niche applications to larger facilities assembling modules for electric vehicles and stationary energy storage systems.

Buyers engaging with these suppliers are typically solving critical problems such as achieving optimal gravimetric density for portable electronics, ensuring specific cycle life performance for grid-scale storage, or integrating advanced Battery Management Systems (BMS) with robust cell balancing algorithms to maximize both safety and longevity. Success hinges on a manufacturer's deep understanding of how these technical specifications translate into a reliable and compliant final product.

The range of supplier types in this space is broad. You'll find companies specializing in ultra-low volume, high-complexity custom builds for defense or medical applications, firms focused on high-volume standard pack assembly using tier-one cells, and even niche manufacturers capable of producing application-specific cells or modules that require unique chemistries or form factors.

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Company Directory

57 companies nationwide

Acculon Energy

acculonenergy.com
Columbus, OH

Based in Columbus, OH, Acculon Energy manufactures multi-chemistry batteries with a 2GWh production capacity, serving the electrification era. They leverage AI-driven design and fully automated manufacturing to propel clients' battery programs forward. Acculon offers core battery products and custom testing and certification solutions for complex energy storage challenges.

betsy.barry@acculonenergy.com+16142597792

American Battery Factory

americanbatteryfactory.com
American Fork, UT

Based in American Fork, UT, American Battery Factory manufactures high-performance prismatic Lithium Iron Phosphate (LFP) batteries. The company is establishing U.S.-owned vertical manufacturing and supply chains. They produce safe, reliable LFP batteries to support U.S. home, business, and grid power needs.

info@americanbatteryfactory.com+13852692061

American Battery Solutions

americanbatterysolutions.com
Las Vegas, NV

Based in Las Vegas, American Battery Solutions engineers and manufactures lithium-ion battery systems. They develop custom solutions for electric vehicles, electrified transportation, and various industrial and commercial market applications.

sales@americanbatterysolutions.com+12484626364

American Lithium Energy Corporation

americanlithiumenergy.com
Vista, CA

American Lithium Energy Corporation, based in Vista, CA, specializes in next-generation lithium battery technology. They provide battery cells, custom battery solutions, and testing services engineered for safety, performance, and reliability. Their cutting-edge batteries are deployed in defense, space, medical, and mission-critical commercial applications.

info@americanlithiumenergy.com+17605997388

Amprius Technologies

amprius.com
Fremont, CA

Based in Fremont, CA, Amprius Technologies manufactures high-energy density silicon anode lithium-ion batteries. Their advanced batteries enable longer range, faster charging, and higher payloads for various high-performance applications. They serve industries including unmanned and manned aviation, electric vehicles, and AI/robotics.

inquire@amprius.com+18004258803

Bulldog Battery Corporation

bulldog-battery.com
Wabash, IN

Based in Wabash, IN, Bulldog Battery Corporation manufactures custom industrial lead-acid battery solutions with 100% in-house production of cells, trays, and parts. The company serves OEMs, manufacturing, warehousing, distribution, locomotive, railways, and mining industries, focusing on forklift power applications.

salesdept@bulldog-battery.com+18004433492

L-H Battery Company, Inc.

business.fayettecountyohio.com
Jeffersonville, OH

Based in Jeffersonville, OH, L-H Battery Company, Inc. operates an electric vehicle (EV) battery manufacturing plant. This facility is a joint venture between LG Energy Solution and Honda, focused on producing advanced battery technologies. The company provides crucial components for the automotive sector, supporting the expanding EV market.

kristy@fayettecountyohio.com+17404269174

Crown Battery

crownbattery.com
Fremont, OH

Crown Battery is a privately owned company with corporate and manufacturing operations in Fremont, OH. The company directly provides battery manufacturing services, utilizing its own facilities and workforce to produce a diverse range of battery products for various applications.

gkesilewski@crownbattery.com+14193347181

Discover Battery

discoverbattery.com
Newport Beach, CA

Based in Newport Beach, CA, Discover Battery engineers and manufactures high-value lead-acid and lithium power solutions. The company purpose-builds its batteries using patented technology for various applications, providing robust energy storage products.

kathryn@bemovedmedia.com+18888194044

Dragonfly Energy

dragonflyenergy.com
Reno, NV

Based in Reno, NV, Dragonfly Energy is a North American manufacturer of high-quality lithium-ion batteries. The company specializes in cutting-edge cell manufacturing processes, advanced LiFePO4 battery pack design, and full system integration. They provide energy storage solutions for diverse deep cycle applications, domestically producing their products.

info@dragonflyenergy.com+18552922831

East Penn Manufacturing Company

eastpennmanufacturing.com
Lancaster, PA

Based in Lancaster, PA, East Penn Manufacturing Company operates the world's largest single-site lead-acid battery facility. The company specializes in manufacturing batteries for transportation and motive power industries. It maintains a strong commitment to quality and environmental standards, serving commercial and industrial clients.

contactus@eastpenn-deka.com+16106826361

Excell Battery Company

excellbattery.com
Missouri City, TX

Based in Missouri City, TX, Excell Battery Company is an ISO 9001:2008 certified manufacturer of custom battery packs. They provide innovative solutions for critical applications and extreme conditions in Oil & Gas, industrial, hazardous environments, and medical devices. Services include engineering, design, manufacturing, and recycling.

marketing@bemovedmedia.com+16045755011

Flux Power

fluxpower.com
—

Flux Power develops and manufactures tailored lithium-ion battery technologies and storage solutions. Their next-generation batteries power electric ground support and material handling equipment, including forklifts, AGVs, and airport GSE. The company serves diverse industrial clients in warehouse, retail, manufacturing, and automotive sectors.

support@fluxpower.com+18775053589

GB Battery

gbbattery.com
—

GB Battery specializes in the manufacturing of industrial battery technology, including solutions for forklift and grid applications. The company provides a comprehensive range of new batteries, along with parts and repair services. They serve commercial and industrial clients, offering detailed product specifications and construction information.

customerservice@giantbatteryco.com+17326310200

Green Cubes Technology

greencubes.com
—

Green Cubes Technology is a US-based manufacturer of industrial lithium batteries, providing advanced power solutions for various sectors. The company specializes in developing and supplying custom OEM solutions for forklifts, healthcare, and other industrial applications. They are dedicated to innovation and delivering reliable energy products.

info@greencubestech.com+15024161060

Harris Battery

harrisbattery.com
Bolivar, OH

Based in Bolivar, OH, Harris Battery manufactures industrial and motive power batteries and charger packs. The company provides reliable battery technologies and inverter charger kits for commercial, OEM, transportation, material handling, and off-grid solar energy applications, serving various industries since 1979.

info@harrisbattery.com+18003677670

Forsee Power

hilliardohio.gov
Hilliard, OH

Forsee Power, a French battery company, specializes in designing and manufacturing smart battery systems. They recently inaugurated their industrial site in Hilliard, OH, establishing a US manufacturing presence. The company focuses on developing comprehensive battery technology for various applications.

sports1@hilliardohio.gov+16148767361

iM3NY

im3ny.com
Endicott, NY

Based in Endicott, NY, iM3NY is an independent lithium-ion cell manufacturer. The company commercializes US-developed cell chemistry, operating a Gigafactory to produce proprietary P-Series phosphate-based cells. These US-manufactured cells power electric automotive applications such as cars and trucks, alongside providing solutions for stationary energy storage.

info@im3ny.com+16073980618

Lithos Energy, Inc.

lithosenergy.com
Hayward, CA

Based in Hayward, CA, Lithos Energy, Inc. specializes in high-performance, modular battery systems. They provide end-to-end engineering support, featuring proprietary BMS technology, advanced thermal management, and ultra-durable, propagation-resistant enclosures. Their customizable systems are designed to scale, enabling faster market entry for various demanding applications.

sales@lithosenergy.com+14159445482

Navitas Systems, LLC

navitassys.com
Ann Arbor, MI

Based in Ann Arbor, MI, Navitas Systems, LLC specializes in designing and manufacturing advanced battery solutions. They provide lithium forklift batteries, military-grade power systems, and custom cells, backed by in-house research and development capabilities for new battery chemistries.

info@navitassys.com+17342051400

NuEnergy Storage

nuenergy.net
Austin, TX

Based in Austin, TX, NuEnergy Storage specializes in cutting-edge rechargeable technology. The company provides high-performance lithium-ion batteries and energy storage solutions, offering customized packs for industries such as aerospace, electronics, agriculture, healthcare, medical, and marine.

support@nuenergy.net+15126753100

Octillion

octillion.us
Richmond, CA

Based in Richmond, CA, Octillion specializes in designing and manufacturing tailor-made battery systems for electric vehicles, commercial vehicles, and grid applications. They produce high-volume, customized battery solutions for various sectors, including marine, off-highway, and industrial equipment, from their 1GWh factory in Reno, Nevada.

press@octillion.us+15105891156

Toyota

pressroom.toyota.com
Liberty, NC

Based in Liberty, NC, Toyota is a direct provider of battery manufacturing services in the United States. The company has invested $13.9 billion into a new North Carolina facility, where production for its U.S. battery manufacturing operations has begun.

emily.holland@toyota.com+16625075148

Pulsar Industries

pulsar.industries
Austin, TX

Based in Austin, TX, Pulsar Industries manufactures lithium batteries and provides energy storage solutions. The company serves homes, businesses, and industries with high-quality battery systems. They deliver powerful battery technology to support renewable energy, electric vehicles, and industrial applications using modern facilities.

info@pulsar.industries+15125854271

Stafl Systems LLC

staflsystems.com
South San Francisco, CA

Based in South San Francisco, CA, Stafl Systems LLC specializes in lithium-ion battery management, systems architecture, and energy storage solutions. The company offers in-house battery pack manufacturing, rapid prototype fabrication, and circuit board assembly for industrial, marine, mining, aerospace, automotive, and robotics applications.

info@staflsystems.com+14152283183

Sunlight Batteries USA

sunlight-group.com
Mebane, NC

Sunlight Batteries USA manufactures, assembles, and distributes high-performance lead-acid and lithium-ion batteries and power systems from its US facilities. They specialize in energy solutions for demanding industrial applications, serving OEMs, forklift dealers, technicians, and logistics providers across North America.

info@sunlightbatteriesusa.com+13365795109

Trojan Battery

trojanbattery.com
Santa Fe Springs, CA

Based in Santa Fe Springs, California, Trojan Battery manufactures deep-cycle and motive power batteries. The company operates three ISO 9001:2015 certified manufacturing plants in California and Georgia, producing battery solutions for various industrial, commercial, and recreational applications.

info@ambatt.de+16045250391

University of Dayton Research Institute

udri.udayton.edu
Dayton, OH

Based in Dayton, OH, the University of Dayton Research Institute (UDRI) specializes in custom Li-ion battery design, fabrication, and testing. They offer battery manufacturing, thin-film coating, and independent evaluation of battery systems. UDRI serves governmental agencies and industrial clients in the automotive, computing, and battery power sectors.

general_info@udri.udayton.edu+19372292113

Universal Lithium-ion Battery Supply

ulbspower.com
Brookshire, TX

Universal Lithium-ion Battery Supply (ULBS), based in Brookshire, TX, manufactures lithium-ion battery packs for material handling equipment. They utilize CATL LiFePO₄ cells to provide upgraded, high-performance battery solutions. ULBS operates an advanced manufacturing facility with automated production and testing, ensuring reliability.

info@ulbspower.com+17046081604

AA Portable Power Corp. dba Batteryspace.com

batteryspace.com
Richmond, CA

Based in Richmond, CA, AA Portable Power Corp. dba Batteryspace.com is a battery manufacturer specializing in custom rechargeable battery solutions. They produce a wide range of chemistries including Li-ion, LiFePO4, Sodium-ion, NiMH, NiCd, and Lead Acid batteries. Products are designed, assembled, and quality controlled in the USA, catering to diverse portable power applications.

sales@batteryspace.com

Concorde Battery Corporation

concordebattery.com
West Covina, CA

Concorde Battery Corporation, based in West Covina, CA, manufactures premium lead-acid batteries. They produce valve regulated sealed lead-acid (VRSLA) batteries for aircraft, marine, medical, telecommunications, emergency backup, and photovoltaic applications, serving industrial and military sectors since 1979.

info@concordebattery.com

EnergyX

energyx.com
Austin, TX

Based in Austin, TX, EnergyX is a clean energy technology company specializing in disruptive lithium extraction, refining, and production technologies. The company also develops advanced battery and energy storage solutions, contributing lithium materials to the battery supply chain. Its SOLIS™ technology focuses on improving battery energy density.

press@energyx.com

Form Energy

formenergy.com
—

Form Energy is an American company that specializes in innovative energy manufacturing and technology. They provide cost-effective, multi-day energy storage solutions, delivering advanced battery systems for various applications in the energy sector. Their focus is on long-duration storage.

info@formenergy.com

International Battery Company

ibcbatt.com
—

International Battery Company specializes in the production of high-performance prismatic lithium-ion cells. The company's mission is to proliferate advanced lithium-ion cell technology and manufacturing to support a decarbonized global economy.

contact@ibcbatt.com

Lithion Battery

lithionbattery.com
—

Lithion Battery provides full-stack manufacturing of dependable lithium-ion batteries and energy storage systems. They deliver both off-the-shelf and custom power solutions for industrial and specialty vehicles, including ground support, commercial, and military applications. Lithion supports diverse projects, solving power challenges across various industries.

america-sales@lithionbattery.com

Natron Energy

natron.energy
Santa Clara, CA

Based in Santa Clara, CA, Natron Energy manufactures sodium-ion batteries in the U.S. Utilizing unique Prussian blue electrode chemistry, the company focuses exclusively on commercial and industrial applications. Natron Energy provides battery products specifically for industrial power and grid energy storage markets.

natronabc@proofofclaims.com

Our Next Energy (ONE)

one.ai
Novi, MI

Based in Novi, MI, Our Next Energy (ONE) manufactures advanced energy storage solutions, including LFP cells, modules, and battery management systems. They provide domestically made battery technologies for electric vehicles, grid infrastructure, data centers, defense, and industrial applications, focusing on enhanced range, safety, and sustainability.

contact@one.ai

QuantumScape

quantumscape.com
San Jose, CA

QuantumScape, based in San Jose, CA, develops and manufactures solid-state lithium-metal battery technology. The company's anode-less battery cells are designed for greater energy density, faster charging, and enhanced safety for electric vehicles. This technology aims to support the transition to lower carbon transportation.

info@quantumscape.com

Sparkz, Inc.

sparkz.energy
Sacramento, CA

Sparkz, Inc. manufactures Cathode Active Material (CAM) for nickel-free and cobalt-free lithium batteries in the U.S. Based in Sacramento, CA, the company specializes in producing essential battery components. Sparkz's FeCAM™ product supports electrification across automotive and commercial storage industries.

info@sparkz.energy

Statevolt

statevolt.com
—

Statevolt is establishing a Gigafactory in California's Imperial Valley, specializing in battery manufacturing for the North American market. The facility is designed for an annual production capacity of 54GWh. The company emphasizes a hyperlocal business model, committed to community impact and creating significant local employment opportunities.

press@statevolt.com

Stryten Energy

stryten.com
Alpharetta, GA

Stryten Energy, based in Alpharetta, GA, manufactures advanced battery solutions for various applications. They produce batteries powering microgrids, material handling, automotive, rail, and heavy-duty vehicles, focusing on transportation and network power industries.

stryten.info@stryten.com

CRG Defense

crgdefense.com
Miamisburg, OH

CRG Defense manufactures U.S.-made battery cells and packs at its Miamisburg, OH facility. They offer high-performance cell chemistries and complete pack integration for defense, aerospace, and government systems. Their solutions provide extreme low-temperature performance, enhanced safety, and a secure, non-FEOC supply chain.

+19373201877

EaglePicher Technologies

eaglepicher.com
—

Based in St. Louis, MO, EaglePicher Technologies designs and manufactures advanced batteries and energetic devices for diverse markets. The American company provides reliable power solutions for mission-critical applications. They boast over three billion hours in space without failure, specializing in unique and technically advanced battery systems.

+14172081811

EnerSys

enersys.com
—

EnerSys manufactures innovative batteries, chargers, and power systems as a provider of stored energy solutions. The company designs application-specific batteries, including NexSys® TPPL and DataSafe® solutions, for industrial and mission-critical needs across various industries like food and beverage, and telecommunications.

+16102081991

Lifeline Batteries

lifelinebatteries.com
San Dimas, CA

Based in San Dimas, CA, Lifeline Batteries specializes in manufacturing high-quality Absorbent Glass Mat (AGM) batteries. The company is known for producing durable and top-performing power solutions. They primarily serve the demanding marine and recreational vehicle (RV) markets, providing reliable battery technology.

+19095997816

American Lithium Battery Manufacturing

lithiumbatterycompany.com
—

American Lithium Battery Manufacturing offers fully automated, American-made lithium battery pack solutions for defense, medical, marine, and industrial OEMs. They leverage advanced robotics, real-time monitoring, and in-line testing for high precision, efficiency, and throughput. The company also supports prototyping efforts.

+18444385484

National Power

nationalpower.com
Chicago, IL

Based in Chicago, IL, National Power designs and assembles custom and standard battery packs for original equipment manufacturers. With over 40 years of experience, they provide quality battery solutions for various applications, including medical and industrial sectors. They are ISO 9001 and ISO 13485 certified.

+17736852662

SK Battery America, Inc.

skbatteryamerica.com
Commerce, GA

Based in Commerce, GA, SK Battery America, Inc. manufactures batteries primarily for electric vehicles (EVs). The company specializes in developing advanced battery products and technology, providing essential power solutions for the automotive industry. They focus on innovation and sustainable management in battery production.

+17065207500

T1 Energy Inc.

t1energy.com
Austin, TX

T1 Energy Inc. provides advanced American solar and battery manufacturing services. Based in Austin, TX, the company is establishing an integrated U.S. supply chain for energy solutions, with manufacturing operations in Dallas and Austin. They focus on producing high-quality solar and battery components.

+12172025813

Ultium Cells LLC

ultiumcell.com
Warren, OH

Ultium Cells LLC, a joint venture of GM and LG Energy Solution, manufactures advanced large-format, pouch-style battery cells. Specializing in Nickel Cobalt Manganese Aluminum (NCMA) chemistry, these high-performance cells power GM electric vehicles. The company operates state-of-the-art production facilities in Warren, Ohio, and Spring Hill, Tennessee.

+12483184938

U.S. Battery Mfg. Co.

usbattery.com
Augusta, GA

Based in Augusta, GA, U.S. Battery Mfg. Co. specializes in manufacturing high-quality deep cycle batteries. They produce a range of reliable power solutions, including 6V, 8V, 12V, 24V, and 48V battery models, designed for various applications requiring consistent power.

+18006950945

Clarios

clarios.com
Glendale, WI

Based in Glendale, WI, Clarios manufactures over 150 million advanced, low-voltage batteries annually. The company provides AGM, lithium-ion, and supercapacitor technologies. Clarios designs multi-battery systems, integrating software and electronics for modern transportation OEMs and the aftermarket.

No contact on file

Factorial Energy

factorialenergy.com
Billerica, MA

Based in Billerica, MA, Factorial Energy manufactures advanced solid-state batteries. The company provides safer, higher-performing, and scalable energy storage solutions for eMobility, defense, and AI/robotics. Factorial's technology pushes beyond conventional lithium-ion limits, supporting American technology leadership and industrialization.

No contact on file

LG Energy Solution

inside.lgensol.com
—

LG Energy Solution manufactures batteries with production facilities and joint ventures in North America. They partnered with a global automotive company to establish Ultium Cells in Ohio, commencing mass production of electric vehicle batteries in 2022 for the US market.

No contact on file

LGES and Honda EV Battery Plant

lgeshonda.com
Jeffersonville, OH

Based in Jeffersonville, OH, LGES and Honda EV Battery Plant is a joint venture focused on producing lithium-ion batteries for electric vehicles. This facility will supply Honda and Acura EV models for the North American market, with production slated to commence by the end of 2025. The company represents a $3.5 billion investment creating 2,200 jobs.

No contact on file

Lyten

lyten.com
San Jose, CA

Based in San Jose, CA, Lyten is a supermaterial applications company pioneering Three-Dimensional Graphene and Lithium-Sulfur technology. They develop and manufacture advanced Battery Systems using their proprietary materials. Lyten focuses on delivering lighter, stronger, lower-cost, and cleaner products for sectors including aerospace, transportation, and motorsports.

No contact on file

Millertech

millertechenergy.com
—

Millertech manufactures UL Certified lithium battery packs, offering various voltages and capacities for applications such as sport series, dual-purpose, and golf carts. Their batteries meet ANSI/CAN/UL 1973:2022 Ed. 3 standards and come with up to a 10-year warranty, emphasizing safety and reliability. They also sell related charging accessories.

No contact on file

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How to Choose a Company

  • Validate BMS Expertise and Integration: Look beyond basic BMS inclusion. Confirm the manufacturer’s experience with specific protocols (e.g., SMBus, CAN), their ability to customize firmware for your application's charge/discharge profiles, and their track record in implementing robust cell balancing and over/under-voltage protection mechanisms.
  • Scrutinize Certification & Testing Capabilities: For any battery product, UN 38.3 certification for transport is non-negotiable. If your product is for stationary storage, demand adherence to UL 1973. For automotive, IATF 16949 is critical, and for medical, ISO 13485. Inquire about their in-house testing equipment (e.g., cell testers, environmental chambers) versus reliance on third-party labs.
  • Beware of Ambiguous Cell Sourcing: A significant red flag is a manufacturer who is vague about the origin or specific grade of the cells they intend to use. Always demand transparency regarding cell manufacturers (Tier 1 is preferred for consistency and safety), cell specifications, and their process for validating cell quality and batch consistency, especially when prioritizing lowest-cost solutions.
  • Assess Thermal Management and DFM for Batteries: Given the risks of thermal runaway, verify the manufacturer’s expertise in designing and implementing effective thermal management solutions (e.g., passive cooling, active cooling, potting). Discuss their Design for Manufacturability (DFM) approach specifically for battery packs, which includes considerations for cell spacing, wiring harnesses, and enclosure material selection for optimal heat dissipation and impact resistance.

Supplier Types at a Glance

TypeBest ForTypical MOQ
Custom Pack Assemblers (Low-Mid Volume)Startups and mid-sized companies needing highly specific battery packs for specialized applications (e.g., medical, robotics, defense). Focus on intricate BMS integration and unique form factors.50 - 5,000 units
High-Volume Module & Pack IntegratorsEnterprise clients requiring standardized battery modules or packs for electric vehicles, grid storage, or large consumer electronics. Emphasis on scalability, cost optimization, and supply chain robustness.5,000+ units
Specialized Cell ManufacturersBuyers with unique performance requirements (e.g., specific power density, extreme temperature operation) that off-the-shelf cells cannot meet, or those engaged in advanced R&D projects. Requires deep technical collaboration.Varies (often higher for custom cells, or project-based for R&D)
R&D & Prototype ShopsCompanies in early development stages needing rapid prototyping, proof-of-concept builds, or small batch validation runs. Focus on flexibility, quick turnaround, and iterative design support.1 - 50 units

Frequently Asked Questions

Should I source my own cells or let the pack assembler handle it?

While sourcing your own cells might seem to offer cost control, it's generally advisable to let the pack assembler handle cell procurement. They have established relationships with cell manufacturers, often securing better pricing and access to consistent supply chains. More importantly, they take on the liability for cell quality and consistency within the pack. If you provide the cells, you assume that risk, and warranty claims become significantly more complex, especially regarding issues like premature capacity fade or cell balancing problems.

What's the difference between a custom battery pack assembler and a cell manufacturer?

A cell manufacturer produces the individual battery cells (e.g., cylindrical 18650s, pouch cells) from raw materials. They specialize in electrode formulation, electrolyte chemistry, and cell construction. A custom battery pack assembler, on the other hand, integrates these pre-manufactured cells with a Battery Management System (BMS), thermal management components, wiring, and an enclosure to create a complete, application-specific battery pack. Most buyers will work with an assembler, who then sources cells from a reputable cell manufacturer.

How do I ensure my custom battery pack will pass UN 38.3 transport testing?

Passing UN 38.3 requires rigorous testing of the entire battery pack design for vibration, shock, external short circuit, impact, overcharge, and forced discharge. It's crucial to engage a manufacturer with a strong track record of designing packs that meet these standards. Discuss their testing procedures, their internal design guidelines for UN 38.3 compliance, and whether they have certified partners for the final testing. Do not underestimate the complexity; a failure can halt shipments globally.

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