A storage battery, commonly referred to as a rechargeable battery, is a type of electrochemical device that stores chemical energy and converts it into electrical energy on demand. In the automotive sector, storage batteries are indispensable components, serving as the primary power source for starting, lighting, and ignition (SLI) systems, as well as for auxiliary functions in electric vehicles (EVs) and hybrid electric vehicles (HEVs). The global automotive battery market is undergoing a rapid transformation, driven by the electrification of vehicles, advancements in lithium-ion technology, and increasing demand for energy storage solutions. This guide provides an in-depth analysis of the global storage battery landscape, focusing on suppliers, manufacturers, purchasing considerations, and market trends relevant to automotive professionals.

Global Top 10 Storage Battery Suppliers and Manufacturers

The global storage battery market is dominated by a mix of established conglomerates and specialized manufacturers. The following table lists the top 10 global suppliers based on production capacity, revenue, and market influence in the automotive sector.

順位	会社名	本社	主要製品	Annual Revenue (USD, estimated)
1	Contemporary Amperex Technology Co., Limited (CATL)	中国	Lithium-ion batteries for EVs, ESS	$45 Billion
2	LG Energy Solution	韓国	Lithium-ion, pouch cells, automotive	$32 Billion
3	パナソニック株式会社	日本	Lithium-ion, cylindrical cells, Tesla supplier	$28 Billion
4	BYD Company Ltd.	中国	Blade battery, LFP, EVs, ESS	$25 Billion
5	Samsung SDI	韓国	Lithium-ion, prismatic, automotive	$20 Billion
6	SK Innovation (SK On)	韓国	Lithium-ion, NCM, EV batteries	$15 Billion
7	GS Yuasa Corporation	日本	Lead-acid, lithium-ion, SLI batteries	$8 Billion
8	Exide Technologies	アメリカ	Lead-acid, industrial, automotive	$6 Billion
9	Clarios (formerly Johnson Controls Power Solutions)	アメリカ	Lead-acid, AGM, automotive SLI	$55億ドル
10	Enersys	アメリカ	Lead-acid, lithium-ion, motive power	$4 Billion

Top 10 Storage Battery Suppliers and Factories in China

China is the world’s largest producer of storage batteries, particularly for automotive applications. The following list highlights the top 10 Chinese manufacturers, many of which are also global leaders.

順位	会社名	所在地	専門性	Annual Capacity
1	CATL (Ningde, Fujian)	Ningde, Fujian	Lithium-ion, EV, ESS	300+ GWh
2	BYD (Shenzhen, Guangdong)	広東省深セン市	Blade battery, LFP, EV	200+ GWh
3	CALB (China Aviation Lithium Battery)	江蘇省常州市	Lithium-ion, EV, marine	100+ GWh
4	Gotion High-tech	Hefei, Anhui	Lithium-ion, LFP, ESS	80+ GWh
5	EVE Energy Co., Ltd.	広東省恵州市	Lithium-ion, cylindrical, automotive	60+ GWh
6	Sunwoda エレクトロニック株式会社.	広東省深セン市	Lithium-ion, battery packs	50+ GWh
7	Chilwee Group Co., Ltd.	Changxing, Zhejiang	Lead-acid, e-bike, automotive	40+ GWh
8	Fengfan Co., Ltd.	Baoding, Hebei	Lead-acid, SLI, military	30+ GWh
9	Leoch International Technology Ltd.	広東省深セン市	Lead-acid, lithium, standby power	25+ GWh
10	Sacred Sun Power Sources Co., Ltd.	Qufu, Shandong	Lead-acid, lithium, telecom	20+ GWh

Global Supplier and Factory Profile Sheet with Contact Information

Below is a detailed profile of key global suppliers, including contact emails where publicly available. This information is sourced from official company websites and public business directories.

会社概要	製品フォーカス	連絡先メールアドレス	ウェブサイト	主要顧客
CATL	Lithium-ion (LFP, NCM)	info@catl.com	www.catl.com	Tesla, BMW, Mercedes
LG Energy Solution	Lithium-ion (NCM, LFP)	evbattery@lgensol.com	www.lgensol.com	GM, Ford, Hyundai
Panasonic	Lithium-ion (NCA)	contact@panasonic.com	www.panasonic.com	Tesla, Toyota
BYD	Blade Battery (LFP)	overseas@byd.com	www.byd.com	Toyota, Daimler, BYD Auto
Samsung SDI	Lithium-ion (NCM)	evbattery@samsung.com	www.samsungsdi.com	BMW, Audi, Volkswagen
SK On	Lithium-ion (NCM)	info@skon.com	www.skon.com	Ford, Hyundai, Volkswagen
GS Yuasa	Lead-acid, Lithium-ion	info@gs-yuasa.com	www.gs-yuasa.com	Honda, Suzuki, Nissan
Exide Technologies	Lead-acid (AGM, Flooded)	info@exide.com	www.exide.com	Fleet operators, OEMs
Clarios	Lead-acid (AGM, EFB)	contact@clarios.com	www.clarios.com	Ford, GM, Toyota
Enersys	Lead-acid, Lithium-ion	info@enersys.com	www.enersys.com	Military, industrial, automotive

Key Factors to Consider When Choosing a Chinese Manufacturer

品質認証と規格

Ensure the manufacturer holds international certifications such as ISO 9001, IATF 16949 (automotive), and ISO 14001. For lithium batteries, UL 2580 and IEC 62660 are critical for safety and performance.

Production Capacity and Scalability

Evaluate the factory’s annual production capacity (in GWh or units). For automotive orders, a minimum capacity of 10 GWh is often required for large OEM contracts. Smaller buyers may consider factories with 1-5 GWh capacity.

Technology and R&D Investment

Leading Chinese manufacturers invest heavily in R&D. Check for patents related to battery chemistry, thermal management, and energy density. CATL and BYD, for example, hold thousands of patents globally.

Supply Chain and Raw Material Sourcing

China controls a significant portion of the global lithium, cobalt, and graphite supply chain. Verify the manufacturer’s vertical integration—companies like BYD have their own mines and cathode production.

Cost and Payment Terms

Chinese factories offer competitive pricing, but beware of extremely low quotes. Typical payment terms are 30% deposit and 70% before shipment. For new relationships, consider using a letter of credit (L/C) or third-party inspection services.

アフターサービスと保証

Automotive batteries typically come with a 3-5 year warranty. Ensure the manufacturer has a local service partner or a clear returns policy for defective units.

なぜ中国メーカーから買うのか？主な利点

Cost Efficiency

Chinese manufacturers benefit from economies of scale, lower labor costs, and government subsidies, resulting in prices 20-40% lower than Western counterparts for equivalent quality.

Technological Leadership

Companies like CATL and BYD are at the forefront of battery innovation, including the development of LFP (Lithium Iron Phosphate) batteries with high safety and long cycle life, which are now adopted by global automakers.

Massive Production Scale

China’s battery production capacity exceeds 1,000 GWh annually, allowing for rapid fulfillment of large-volume orders. This is crucial for automotive OEMs requiring just-in-time delivery.

Complete Supply Chain Integration

From raw material processing to cell manufacturing and pack assembly, China offers a fully integrated supply chain, reducing lead times and logistics costs.

Government Support and Policies

The Chinese government provides tax incentives, R&D grants, and infrastructure support for battery manufacturers, fostering a competitive environment.

Detailed Chinese Factory Profiles

CATL (Ningde, Fujian)

CATL is the world’s largest EV battery manufacturer, supplying to Tesla, BMW, and Mercedes. Their headquarters in Ningde houses a massive R&D center with over 10,000 engineers. The factory uses automated production lines with a defect rate of less than 1 ppm (parts per million).

BYD (Shenzhen, Guangdong)

BYD’s “Blade Battery” technology is a game-changer for safety and energy density. Their factory in Shenzhen is one of the most vertically integrated in the world, producing everything from cells to battery packs for their own EVs and external clients.

CALB (Changzhou, Jiangsu)

CALB specializes in high-energy-density lithium batteries for passenger EVs and commercial vehicles. Their factory in Changzhou has a capacity of 100 GWh and focuses on NCM and LFP chemistries.

Gotion High-tech (Hefei, Anhui)

Gotion is a key supplier to Volkswagen and other European OEMs. Their Hefei factory is known for its LFP batteries with excellent cycle life (over 5,000 cycles).

EVE Energy (Huizhou, Guangdong)

EVE Energy produces cylindrical cells (18650, 21700) used in automotive and power tool applications. Their Huizhou facility is highly automated, with a focus on consistency and quality control.

Chilwee Group (Changxing, Zhejiang)

Chilwee is a leading manufacturer of lead-acid batteries for start-stop systems and e-bikes. Their factory in Changxing is one of the largest lead-acid plants in Asia, with strict environmental controls.

中国の専門メーカーの探し方

Utilize B2B Platforms

Alibaba.com, Made-in-China.com, and Global Sources are reliable starting points. Filter suppliers by “Verified” status, “Trade Assurance,” and “Factory Audit” reports.

Attend Industry Trade Shows

Events like the China International Battery Fair (CIBF) in Shenzhen and the Canton Fair in Guangzhou provide direct access to factory representatives and live product demonstrations.

Engage a Sourcing Agent

Professional sourcing companies in China (e.g., Sourcify, AsiaInspection) can conduct factory audits, negotiate prices, and manage quality control. This is recommended for first-time buyers.

Request Samples and Factory Visits

Always request samples for testing. A physical visit to the factory is ideal to assess production lines, quality control labs, and working conditions. Many Chinese manufacturers welcome international buyers.

Check Certifications and Client References

Ask for copies of ISO, IATF, and UL certifications. Request references from existing clients, especially those in your target market (e.g., automotive OEMs).

アプリケーション・シナリオとソリューション

Start-Stop Vehicles (Lead-Acid AGM Batteries)

Solution: AGM (Absorbent Glass Mat) batteries from Clarios or Chilwee provide high cyclic durability for frequent engine restarts, reducing fuel consumption by up to 8%.

Electric Vehicles (Lithium-Ion Batteries)

Solution: CATL’s LFP batteries offer a range of 500+ km per charge, with fast-charging capability (10-80% in 20 minutes). Ideal for passenger EVs and commercial fleets.

Hybrid Electric Vehicles (HEVs)

Solution: Panasonic’s cylindrical cells or Samsung SDI’s prismatic cells provide high power density for regenerative braking and electric assist, extending fuel efficiency.

Heavy-Duty Trucks and Buses

Solution: BYD’s Blade Battery packs are designed for high safety and long life, supporting 1,000+ km daily operation in electric buses and trucks.

Off-Road and Marine Applications

Solution: GS Yuasa’s lead-acid deep-cycle batteries or CALB’s lithium batteries offer vibration resistance and waterproofing, suitable for ATVs, boats, and construction equipment.

よくある質問（FAQ）トップ10

What is the lifespan of an automotive storage battery? Lead-acid: 3-5 years; Lithium-ion: 8-15 years or 1,000-5,000 cycles.
Can I replace a lead-acid battery with a lithium battery? Yes, but ensure the vehicle’s charging system is compatible. Lithium requires a BMS (Battery Management System).
What is the difference between LFP and NCM batteries? LFP is safer and longer-lasting; NCM has higher energy density.
How do I choose between AGM and EFB batteries? AGM is for high-end start-stop systems; EFB is for entry-level start-stop.
Are Chinese batteries safe? Yes, if certified (UL, CE, UN38.3). Major Chinese brands meet global safety standards.
What is the warranty period for Chinese batteries? Typically 3-5 years for automotive, depending on the manufacturer.
How do I ship large quantities of batteries from China? Use sea freight with UN3480/UN3090 dangerous goods certification for lithium.
Can I customize battery dimensions? Yes, many Chinese factories offer OEM/ODM services for custom sizes and terminals.
最低注文数量（MOQ）はいくらですか？ For lead-acid: 500-1,000 units; for lithium: 100-500 units.
How do I verify a Chinese manufacturer’s legitimacy? Check business licenses, tax records, and third-party audit reports (e.g., SGS, TÜV).

Purchasing Considerations for Storage Batteries

Define Your Technical Specifications

Clearly specify voltage (12V, 24V, 48V), capacity (Ah or kWh), chemistry (LFP, NCM, Lead-Acid), and dimensions. For automotive, CCA (Cold Cranking Amps) is critical for SLI batteries.

Negotiate Incoterms

Common terms include FOB (Free on Board) for sea freight and CIF (Cost, Insurance, Freight) for door-to-door delivery. Clarify who bears the cost of dangerous goods handling.

Request a Pre-Shipment Inspection

Hire a third-party inspection company (e.g., SGS, Bureau Veritas) to test capacity, voltage, and safety before shipment.

Understand Tariffs and Duties

Check the Harmonized System (HS) code for batteries (e.g., 8507 for lead-acid, 8507.60 for lithium). Import duties vary by country—USA: 2.5-7.5%; EU: 4.5%; India: 15-20%.

Secure Intellectual Property

If you have proprietary designs, sign an NDA (Non-Disclosure Agreement) with the manufacturer. Chinese law protects IP if registered in China.

Recommended Books on Storage Batteries

“Linden’s Handbook of Batteries” by Thomas B. Reddy – The definitive guide on battery technology, including lead-acid and lithium-ion.
“Battery Management Systems: Design by Simulation” by H. J. Bergveld – Focuses on BMS for automotive applications.
“The Car Hacker’s Handbook” by Craig Smith – Includes chapters on EV battery systems and security.
“Lithium-Ion Batteries: Advances and Applications” by Gianfranco Pistoia – Covers automotive battery trends and chemistries.
“Battery Technology for Electric Vehicles” by John G. Hayes – Practical insights into battery pack design and manufacturing.

Product Quotation Guidelines

Typical pricing for automotive storage batteries (as of Q1 2026, bulk orders):

Battery Type	Capacity	Price per Unit (USD, FOB China)	MOQ
Lead-Acid (SLI)	12V 70Ah	$45 – $65	1,000 pcs
AGM (Start-Stop)	12V 80Ah	$80 – $120	500個
LFP (Lithium)	12V 100Ah	$250 – $400	100個
NCM (Lithium)	48V 50Ah	$600 – $900	50個
Blade Battery (BYD)	12V 200Ah	$500 – $700	50個

Prices are indicative and subject to change based on raw material costs (lithium carbonate, lead) and order volume.

Industry Standards for Automotive Storage Batteries

IEC 60095-1 – Lead-acid starter batteries for vehicles.
ISO 12405-4 – Lithium-ion battery packs for electric vehicles.
SAE J537 – Storage battery test procedures for automotive.
UN 38.3 – Transportation safety testing for lithium cells.
UL 2580 – Safety standard for EV batteries.
GB/T 31486-2015 – Chinese national standard for automotive lithium batteries.

Top 5 Global Import and Export Regions for Storage Batteries

順位	輸出地域	Share of Global Exports (%)	Key Destinations
1	中国	45%	USA, EU, South Korea, Japan
2	韓国	15%	USA, China, EU, India
3	日本	12%	USA, EU, China, Australia
4	ドイツ	8%	EU, USA, China, Middle East
5	アメリカ	5%	Canada, Mexico, EU, Japan

Google Search Business Keywords: 10 FAQ Questions and Answers

Q: What is the best storage battery for a car in 2026? A: For most cars, AGM batteries from Clarios or Exide are top choices. For EVs, CATL’s LFP batteries offer the best balance of cost and safety.
Q: How long do EV batteries last? A: Typically 8-15 years or 150,000-300,000 miles, depending on usage and chemistry.
Q: Can I buy lithium batteries directly from China? A: Yes, via platforms like Alibaba. Ensure the supplier has UN38.3 certification for shipping.
Q: What is the cheapest automotive battery? A: Lead-acid flooded batteries are the cheapest, starting at $40-60 for a standard 12V 70Ah unit.
Q: How do I dispose of old car batteries? A: Recycle them at authorized centers. Lead-acid batteries are 99% recyclable.
Q: What is the difference between a starter battery and a deep-cycle battery? A: Starter batteries provide high current for short bursts; deep-cycle batteries provide steady power over longer periods.
Q: Are Chinese batteries compatible with American cars? A: Yes, if the voltage and terminal configuration match. Most Chinese manufacturers offer universal terminals.
Q: What is the warranty on a Chinese car battery? A: Typically 12-36 months for lead-acid, 3-5 years for lithium.
Q: How do I test a car battery’s health? A: Use a multimeter to check voltage (12.6V fully charged) or a load tester for CCA.
Q: What is the best brand for start-stop batteries? A: AGM batteries from Clarios (Varta, Bosch) or Chilwee are highly recommended.

Customs Data and Tariff Rates for Storage Batteries

Import tariffs for storage batteries vary by country and chemistry. Below are the current rates for major markets (as of 2026):

国/地域	HSコード	Tariff Rate (%)	特記事項
米国	8507.10 (Lead-acid) / 8507.60 (Lithium)	2.5% – 7.5%	Section 301 tariffs on Chinese goods: 25% additional for lithium.
欧州連合	8507.10 / 8507.60	4.5% – 6.5%	Anti-dumping duties on some Chinese lead-acid batteries.
インド	8507.10 / 8507.60	15% – 20%	PLI scheme offers subsidies for domestic production.
日本	8507.10 / 8507.60	0% – 3%	Free trade agreements with China reduce tariffs.
韓国	8507.10 / 8507.60	0% – 5%	FTA with China and USA.

Note: Tariffs are subject to change. Consult a customs broker for the latest rates.

なぜ中小工場を選ぶのか？大規模工場との違い

中小工場のメリット

柔軟性： They accept smaller MOQs (100-500 units) and custom designs.
パーソナライズされたサービス： Direct communication with factory owners and engineers.
オーバーヘッドを下げる： Prices can be 10-20% lower than large factories for niche products.
より速いプロトタイピング： Quick turnaround for sample development (2-4 weeks).

大規模工場との違い

規模が大きい： Large factories (CATL, BYD) have capacities over 100 GWh; small factories typically have 1-10 GWh.
資格： Large factories hold IATF 16949 and OEM approvals; small factories may have ISO 9001 only.
研究開発： Large factories invest billions in R&D; small factories rely on proven technologies.
Supply Chain: Large factories have vertical integration; small factories depend on external suppliers for raw materials.

推薦する： Choose small factories for niche applications or low-volume orders. Choose large factories for high-volume, standard automotive batteries requiring OEM approval.

Comprehensive News Roundup: April 2026

Source: Reuters, Bloomberg, Caixin, April 2026

April 2, 2026: CATL announces a new solid-state battery prototype with 500 Wh/kg energy density, targeting mass production by 2028. (Source: Reuters)
April 5, 2026: BYD signs a multi-year supply agreement with Toyota for Blade batteries, expanding Toyota’s EV lineup in China. (Source: Bloomberg)
April 10, 2026: The European Commission imposes a provisional anti-dumping duty of 15% on Chinese lithium batteries, citing unfair pricing. (Source: Financial Times)
April 15, 2026: LG Energy Solution breaks ground on a new 50 GWh factory in Arizona, USA, to supply North American automakers. (Source: Reuters)
April 20, 2026: China’s Ministry of Industry and Information Technology releases new safety standards for EV batteries, effective July 2026. (Source: Caixin)
April 25, 2026: Panasonic and Tesla announce a joint venture to produce 4680 cells in Japan, targeting 100 GWh capacity by 2027. (Source: Bloomberg)
April 28, 2026: Gotion High-tech partners with Volkswagen to supply LFP batteries for the ID. Buzz electric van, with deliveries starting Q3 2026. (Source: Automotive News)

2026年市場コアデータ概要

メートル	価値	ソース
Global automotive battery market size	$120 Billion (2026 est.)	BloombergNEF
Global EV battery demand	1,200 GWh (2026)	IEA
China’s share of global production	70%	SNE Research
Average lithium battery pack price	$115/kWh (2026)	BloombergNEF
Lead-acid battery market share (automotive)	45% (declining)	グランド・ビュー・リサーチ
Top battery chemistry (EVs)	LFP (55%), NCM (40%)	Adamas Intelligence
Number of registered EV battery factories in China	Over 200	MIIT China

顧客と市場のペインポイント

For Automotive OEMs

サプライチェーンのボラティリティ Fluctuating raw material prices (lithium, cobalt) impact battery costs.
Quality Consistency: Ensuring uniform performance across large production batches.
技術の陳腐化： Rapid advancements in battery chemistry (solid-state, sodium-ion) create uncertainty.
規制遵守： Meeting evolving safety and environmental standards in different regions.

For Aftermarket Distributors

偽造品： Risk of buying fake or substandard batteries from unverified suppliers.
Logistics Challenges: Shipping dangerous goods (lithium) requires special handling and documentation.
Warranty Claims: Managing returns and replacements for defective units across international borders.
Inventory Management: Balancing stock of lead-acid vs. lithium batteries as demand shifts.

For End-Users (Fleet Managers, Consumers)

Battery Life: Short lifespan in extreme climates (hot or cold).
Charging Infrastructure: Lack of fast-charging stations for EVs in rural areas.
Cost of Replacement: High upfront cost of lithium batteries compared to lead-acid.
安全性への懸念： Risk of thermal runaway in lithium batteries.

This comprehensive guide provides actionable insights for automotive professionals sourcing storage batteries from global and Chinese suppliers. By understanding the market landscape, evaluating manufacturers, and addressing pain points, buyers can make informed decisions that optimize cost, quality, and reliability.

目次

Storage Battery: A Comprehensive Guide for Automotive Professionals and Global Buyers

Introduction to Storage Batteries in the Automotive Industry