Top 10 Global EV/REEV Battery Pack Suppliers

As the global transition toward electrification accelerates, battery packs have become the core component driving innovations in electric vehicles (EVs), and renewable energy storage(REEV). The demand for high-performance, scalable, and safe energy storage solutions is rapidly growing across sectors. In this blog, we explore the top 10 global battery pack suppliers—industry leaders who are shaping the future of mobility and energy with cutting-edge technology, mass production capabilities, and global reach.

1. LeapEnergy

LEAPENERGY stands at the forefront of global battery pack suppliers, offering advanced lithium-ion modules and systems optimized for electric vehicles (EVs), energy storage systems (ESS), and grid-interactive applications. Headquartered in China, LEAPENERGY delivers complete solutions—from module assembly to pack integration, battery management systems (BMS), thermal control, and after-sales service. Their high-density, scalable battery pack products support applications across mobility, residential, commercial, and utility sectors.

2. Contemporary Amperex Technology Co., Limited (CATL)

CATL is the world’s largest EV and ESS battery manufacturer. CATL offers cylindrical, prismatic, and LFP cell to pack solutions with high energy density and fast charging. Its market share hovers around 37 %, and it is expanding its global footprint with 13 plants, including in Germany and Hungary. CATL’s strength lies in cell to pack integration, ultra low costs, and rapid scaling.

3. BYD / FinDreams Battery

BYD, founded in 1995 in Shenzhen, is a vertically integrated manufacturer of EVs, electronics, and battery cells. Its subsidiary, FinDreams Battery, specializes in LFP (“Blade”) battery technology. In 2024, FinDreams became the secondlargest EV battery maker after CATL, serving OEMs such as Tesla, Toyota, and Ford. BYD provides LFP and NCM cells, battery packs for EVs, consumer devices, and energy storage. Its Blade battery is widely praised for high safety and longevity.

4. LG Energy Solution

LG Energy Solution, spun off from LG Chem in 2020 and based in Seoul, boasts 25,000+ employees globally. It supplies cylindrical, pouch, and prismatic batteries for EVs and ESS applications, backed by over US $1 billion in annual R&D. LGES is a key partner for GM, Ford, Stellantis, and negotiating with Chinese firms to develop low-cost LFP battery production for Europe. Known for high safety, energy density, and production flexibility, LGES continues investing heavily in Asia, Europe, and North America.

5. Panasonic Energy

Panasonic Energy is a long-established battery manufacturer known for high-energy-density cylindrical cells. Its strong partnership with Tesla and focus on sustainable chemistries ensure continued relevance in the global market.

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6. Samsung SDI

Samsung SDI, founded in 1970 and based in Yongin, South Korea, reported 2023 revenue of US $17.24 billion. With plants across South Korea, the U.S., China, Hungary, and Malaysia, Samsung SDI offers cylindrical, prismatic, pouch batteries for EVs, ESS, power tools, and consumer electronics. Focus areas include high nickel cylindrical cells, solid state prototypes (pilot line from 2023), and scalable ESS modules. It currently supplies Hyundai, BMW, Stellantis, and more.

7. SK On (formerly SK Innovation)

SK On, formed in 2021 as a spin off from SK Innovation, is based in Seoul with ~10,000 employees. It specializes in high energy pouch EV batteries and fastcharging technology. As a primary supplier to Ford (e Transit) and Hyundai, SK On is expanding its presence in Europe and the US.

8. EVE Energy

EVE Energy, founded in 2001 in Huizhou, is China’s thirdlargest ESS cell maker and the 9th largest global EV battery maker (~2.3 % global share in 2023). The company focuses on lithium ion cells for energy storage, EVs, and consumer electronics. EVE’s strengths include tier1 quality, diverse chemistries (LFP, NCM), and strong R&D background.

9. Northvolt

Founded in 2016 in Sweden, Northvolt aimed to establish Europe’s domestic EV battery supply. Despite early setbacks including a bankruptcy in late 2024, it remains a key player in European battery ambitions. Northvolt partners with automakers, focusing on cylindrical and prismatic LFP/NMC cells using sustainable production. The company plays a central role in EU battery strategy.

10. GS Yuasa

Established in Japan in 1917 and headquartered in Kyoto, GS Yuasa specializes in lead acid and lithiumion batteries for automotive, aerospace, motorcycle, UPS, and industrial markets. Known for reliability and advanced chemistries, it also supplied Boeing 787 crash safety Li-ion systems. Today, GS Yuasa offers a broad product line: automotive starter batteries, motorcycle batteries, industrial energy solutions.

Conclusion

These ten companies represent the global leaders in battery pack manufacturing. Among them, LEAPENERGY distinguishes itself by combining full-stack integration—from cells to smart, grid-interactive BESS—delivered with global partner deployment.

At LEAPENERGY, we’re committed to excellence from design to deployment. Our modular, high-density packs offer superior cycle life, built-in safety, and seamless BMS integration—customizable for OEMs, EVs, energy storage projects. Contact our team today to explore tailored battery solutions that power your ambitions—reliably and sustainably.