Company lists · Data refreshed September 2026
Top 25 Battery pack assembly companies worldwide
RevenueBase identified 1,816 battery pack assembly companies worldwide as of September 2026 and tracks 53,211 professional contacts across them, including 11,403 with verified work emails. China is the largest market and Shenzhen the largest hub.
This list covers battery pack assembly companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for battery pack assembly companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest battery pack assembly companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,032 contacts → | ||||
Partial evidence “Clarios creates the most advanced battery technologies for virtually every type of vehicle.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,534 contacts → | ||||
Indirect evidence “CATL is a global leader in innovative zero-carbon technology, providing comprehensive energy solutions to accelerate the global transition toward a sustainable future.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,322 contacts → | ||||
Partial evidence “Saft specializes in advanced technology battery solutions for industry, from the design and development to the production, customization and service provision.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,880 contacts → | ||||
Partial evidence “At PowerCo, we are shaping the battery future.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,198 contacts → | ||||
Partial evidence “Inventus Power is the leading provider of advanced battery and power systems for global OEMs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,077 contacts → | ||||
Indirect evidence “Exide Technologies in EMEA & Asia-Pacific is a standalone company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 999 contacts → | ||||
Partial evidence “SK On is a leading global battery and trading company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 847 contacts → | ||||
Partial evidence “Electricity is the future of transportation, powered by battery cells that are designed and manufactured by some of the brightest, most innovative people in the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 730 contacts → | ||||
Partial evidence “AESC is a global leader in the development and manufacturing of high-performance batteries for zero-emission electric vehicles(EV) and energy storage systems(ESS).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 599 contacts → | ||||
Partial evidence “Agratas is a global battery business within the Tata Group.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 578 contacts → | ||||
Strong evidence “National Power Corporation is a leading custom battery pack assembler servicing the needs of a Global OEM market.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 548 contacts → | ||||
Indirect evidence “Tata AutoComp Systems Ltd.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 530 contacts → | ||||
Partial evidence “A123 Systems, LLC develops and manufactures advanced Nanophosphate® lithium iron phosphate batteries and energy storage systems that deliver high power, maximize usable energy…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 525 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 424 contacts → | ||||
Partial evidence “IONCOR is an agile independent battery solutions company with Nordic roots and decades of experience as a leading partner for some of the world’s most admired brands.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 396 contacts → | ||||
Indirect evidence “At Proterra, we believe cutting-edge technology can transform transportation's role in building a more sustainable future.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 391 contacts → | ||||
Partial evidence “Forsee Power is an industrial group specializing in smart battery systems for sustainable electric transport (light vehicles, off-highway vehicles, buses, trucks, and trains).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 389 contacts → | ||||
Indirect evidence “Yiğit Akü A.Ş; established in Ankara in 1976, is one of the strong investors in our rapidly developing country.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 335 contacts → | ||||
Partial evidence “Octillion is a California-based Tier 1 supplier of innovative high-density battery systems and related technology focused on the electrification of major industries such as…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 319 contacts → | ||||
Partial evidence “AESC is a global leader in the development and manufacturing of high-performance batteries for electric vehicles and energy storage systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 308 contacts → | ||||
Partial evidence “NHOA Energy designs, delivers and services Battery Energy Storage Systems for utility-scale and industrial applications worldwide, based on proprietary technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 281 contacts → | ||||
Indirect evidence “Türk Silahlı Kuvvetlerini Güçlendirme Vakfı’nın %98 oranında iştiraki olan ASPİLSAN Enerji, Kayserili hayırseverlerin bağışlarıyla 2 Nisan 1981 tarihinde Kayseri Organize Sanayi…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 267 contacts → | ||||
Indirect evidence “El líder mundial especializado en energía limpia, BYD (Build Your Dreams) fue fundado en 1995 y rápidamente se ha convertido en el mayor fabricante mundial de baterías…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 266 contacts → | ||||
Indirect evidence “Grupa BMZ to wiodący na świecie dostawca inteligentnych systemów zasilania i magazynowania energii opartych o technologię litowo-jonową.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 234 contacts → | ||||
Partial evidence “We are SVOLT - a globally renowned large-scale manufacturer of battery cells and energy storage systems, and a recognized Bloomberg Tier 1 supplier.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: battery pack assembly companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names battery pack assembly companies.
- Partial evidence
- Its own public description names part of battery pack assembly companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name battery pack assembly companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,816 battery pack assembly companies worldwide
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Battery pack assembly companies worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among battery pack assembly companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for battery pack assembly companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “battery pack assembly companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names battery pack assembly companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among battery pack assembly companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 11,403 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Battery pack assembly companies by location
8 lists · largest firstEvery Battery pack assembly companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Battery pack assembly companies based in China610
- Battery pack assembly companies based in India219
- Battery pack assembly companies based in the United States213
- Battery pack assembly companies based in Germany69
- Battery pack assembly companies based in the United Kingdom55
- Battery pack assembly companies based in France34
- Battery pack assembly companies based in Canada31
- Battery pack assembly companies based in Italy29
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names battery pack assembly companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many battery pack assembly companies are there worldwide?
RevenueBase identified 1,816 battery pack assembly companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Clarios, headquartered in Glendale, tops this list with the largest team on record.
Which country has the most battery pack assembly companies?
China leads with 610 companies, followed by India (219) and the United States (213). Every battery pack assembly companies list by country and city is linked on this page.
Which city has the most battery pack assembly companies?
Shenzhen leads with 189 headquartered companies, followed by Dongguan (28) and Noida (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 11,403 verified decision-maker contacts tracked across these 1,816 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.