Top 10: EV Battery Manufacturers

The global EV battery sector is powered by a select group of industry leaders, each advancing innovation, efficiency and sustainability in the transition to electric mobility.

These manufacturers supply advanced lithium-ion and emerging battery technologies to the world’s top automakers, energising millions of vehicles and shaping the next era of energy infrastructure.

From dominant players in China, Japan and South Korea to agile innovators expanding across Europe and North America, these companies are fundamental to global decarbonisation and the wider electrification of transport and power systems.

This week, Energy Digital spotlights 10 of the world’s leading EV battery manufacturers driving this transformation.

10. CALB

CALB leads in EV battery innovation, driving progress in advanced lithium-ion technology for passenger cars, buses, industrial vehicles and large-scale energy storage.

Its modular systems incorporate precision battery management, intelligent thermal regulation and rigorous safety certifications, delivering exceptional performance and extended lifecycle reliability.

With ownership of all core intellectual property and a strong global patent portfolio, CALB is set to play a key role in shaping the sector’s future, having contributed to 19 national and 14 industry standards while leading major R&D programmes such as China’s national 863 plan.

The company also maintains close partnerships with universities around the world to further energy science and sustainable innovation.

In 2024, CALB advanced its net zero ambitions with construction of a zero-carbon AI-powered gigafactory in Portugal, marking a major step in its expansion across Europe’s clean energy landscape.

9. Gotion High-Tech

Founded in 2015 when it entered the capital market, Gotion High-Tech has become a major force in the global energy storage landscape, backed by prominent investors including Volkswagen.

Specialising in advanced lithium-ion batteries and integrated energy storage systems, the company drives progress across multiple national innovation programmes through its industry-leading research and development.

At its 13th Technology Conference in 2023, Gotion showcased a trio of breakthrough solutions: the 5C ultra-fast-charging G-Current battery, the high-nickel Stellary battery delivering a 50% cost reduction and the next-generation all-solid-state Gemstone battery – each marking a key step toward more efficient, affordable and sustainable electrification.

8. EVE Energy

EVE Energy, listed since 2009, has become a global powerhouse in lithium battery manufacturing, driven by continuous R&D, innovation and strategic international growth.

In 2023, the company unveiled a 60 GWh super factory in China and expanded its footprint across Hungary, the US, and Malaysia, securing its position as the world’s third-largest supplier of energy storage cells.

Its cutting-edge solutions, such as the MB56 and the 5 MWh “Mr. Giant” system, set new standards for performance, boosting efficiency while reducing lifecycle costs.

7. Sunwoda

Sunwoda, a leading Chinese electric vehicle battery producer, stands among the world’s Tier 1 power battery manufacturers.

As a core subsidiary of Sunwoda Electronic, the company delivers advanced lithium battery integration and battery management systems (BMS) technology to major global automakers.

With a strong foundation in R&D, automated manufacturing and cross-border operations, Sunwoda continues to drive energy innovation across five key business lines.

Publicly listed in both Shenzhen and Switzerland, the company is steadily expanding its global footprint, earning recognition as a forward-thinking leader in sustainable battery and mobility solutions.

6. Samsung SDI

Founded in 1970, Samsung SDI has grown into a global powerhouse in sustainable energy and advanced materials, with a strong focus on EV batteries and energy storage systems.

In 2022 alone, the company produced 2.2 billion small lithium-ion batteries, cementing its influence across the EV supply chain.

Marking 55 years of innovation, Samsung SDI continues to pioneer next-generation cylindrical, prismatic, and solid-state battery technologies. Its cutting-edge ‘S-Line’ pilot for all-solid-state batteries is a major step toward full-scale production expected by 2027.

5. SK On

Spinning out from decades of SK Group’s pioneering battery innovation, SK On became an independent company in 2021 and has swiftly risen to become one of the world’s fastest-growing EV battery producers.

In partnership with major automakers, the company is investing more than US$50bn in its US operations, helping drive the nation’s electrification ambitions while generating thousands of new jobs in Georgia.

SK On is scaling its capabilities rapidly, with production capacity projected to reach 100 GWh annually by 2025.

4. LG Energy Solution

Founded in 2020 following its separation from LG Chem, LG Energy Solution has rapidly established itself as a global force in lithium-ion battery innovation, drawing on more than three decades of expertise.

The company powers a wide range of applications – from EVs, PHEVs and HEVs to energy storage systems, IT devices and advanced mobility solutions – supporting leading automakers through strategic joint ventures across North America, Europe and Asia.

Holding more than 78,000 patents worldwide, LG Energy Solution is recognised as the top battery patent holder globally.

Its commitment to sustainability is equally ambitious, with a goal to achieve full carbon neutrality by 2050 while continuing to enhance safety, efficiency and the development of next-generation batteries.

3. Contemporary Amperex Technology Co. Limited (CATL)

CATL continues to dominate the global EV battery market, leading for the seventh consecutive year with a commanding 36.8% share in 2023 – equivalent to 259.7 GWh produced, leaving competitors trailing behind.

Supplying industry giants like Tesla, Ford and Volkswagen, CATL stands as the only battery manufacturer to exceed a 30% global market share thus far.

Its sustained success is powered by relentless innovation, including its advanced Qilin and Shenxing superfast-charging technologies that continue to set new performance benchmarks for the sector.

2. Panasonic

Panasonic's US$4bn, 4.7 million-square-foot gigafactory in Kansas is one of the most significant investments in the company’s 107-year history. Production began in July 2025, delivering 2170 cylindrical lithium-ion cells with an annual capacity of 32 GWh - enough to power around 500,000 EVs.

Complementing its Nevada facility, the new site lifts Panasonic’s total North American battery output to 73 GWh. The gigafactory will create 4,000 direct and 8,000 indirect jobs and is designed to operate as a net zero site using 100% renewable energy within the next decade.

Partnerships with Redwood Materials, Novonix and Nouveau Monde Graphite reinforce a circular, low-carbon supply chain. Central to Panasonic’s GREEN IMPACT initiative, the factory contributes to the company’s ambition to cut 93 million tonnes of CO₂ by 2031.

1. BYD

BYD’s rapid rise is driven by its deep vertical integration, a model that enhances efficiency, scalability and cost control throughout its operations. The company’s diverse vehicle lineup spans multiple segments, reinforcing its strength across the global EV market.

Central to BYD’s innovation is the Blade Battery, first unveiled in 2020. Constructed with lithium iron-phosphate (LFP) chemistry, it delivers exceptional safety, thermal stability, and durability while supporting sustainable production. Its unique flat-cell design maximises space utilisation, improves energy density and reduces dependence on scarce materials such as cobalt.

With more than two decades of battery development experience and more than three million electric vehicles built, BYD is now recognised as a global force in new energy mobility.

It dominated China’s EV sales between 2014 and 2019 and today operates in more than 300 cities across 50 countries and regions. Recent model releases fuse technical sophistication with distinct Chinese design influences, showcasing BYD’s evolving identity as a global innovator.