Best Cylindrical Battery Manufacturers & Suppliers in China 2026

Why Cylindrical Batteries Are Essential for Industrial Applications

Cylindrical batteries, especially the 18650 lithium-ion cells, have become a cornerstone of modern energy solutions. Their high energy density, stable voltage output, and reliable cycle life make them indispensable for applications ranging from electric vehicles and power tools to energy storage systems and consumer electronics.

For global industrial customers, sourcing high-quality cylindrical batteries directly from China’s 18650 cylindrical battery manufacturers and suppliers is both cost-effective and strategic. With advanced production lines, strict quality standards, and flexible OEM/ODM capabilities, Chinese factories have become the preferred partners for companies seeking 3.7V 18650 cylindrical battery factory solutions.

What Is a 18650 Cylindrical Battery?

The term 18650 refers to a lithium-ion cell that is 18mm in diameter and 65mm in length. A standard 3.7V 18650 cylindrical battery offers a nominal voltage of 3.7V and capacities ranging from 2000mAh to over 3500mAh depending on the chemistry and manufacturer.

Key features include:

• Stable voltage output for high-drain devices

• Long cycle life, often exceeding 500 full charge-discharge cycles

• High energy density, ideal for portable and stationary power applications

• Standardized size, allowing easy integration into battery packs

These features make 18650 cylindrical battery manufacturers critical partners for industrial companies looking to build reliable power solutions.

Why Choose China for Cylindrical Battery Sourcing?

China has become the global hub for cylindrical lithium-ion battery production, offering unparalleled expertise, competitive pricing, and scalable manufacturing capabilities. Key advantages include:

1. Large Production Capacity – Major manufacturers operate fully automated production lines capable of handling high-volume orders with consistent quality.

2. International Quality Certifications – Reputable factories provide certifications such as ISO 9001, UL 62133, CE, and UN38.3, ensuring safety and reliability.

3. Customizable Solutions – Leading factories provide OEM and ODM services, tailoring 3.7V 18650 cylindrical batteries to specific capacity, discharge rates, and packaging requirements.

4. Export Experience – Chinese cylindrical battery suppliers have extensive experience fulfilling international orders, making logistics smooth and dependable.

Top 18650 Cylindrical Battery Manufacturers in China

1. Established Industrial Manufacturers

• EVE Energy Co., Ltd. – Offers high-quality 18650 cylindrical batteries with strong cycle performance and global export capabilities.

• BAK Battery – Known for reliable 3.7V 18650 cylindrical batteries used in electric vehicles and industrial applications.

• Shenzhen Topway Technology – Provides custom 18650 cylindrical battery factory solutions for large-scale OEM projects.

These companies typically serve as primary factories for high-volume industrial clients, offering both manufacturing expertise and quality assurance.

2. Specialized Suppliers and Mid-Tier Factories

• Shenzhen Boye Energy – Offers certified 18650 cells with flexible order quantities and technical support.

• Ningbo Johnson New Eletek Co., Ltd. – Provides 3.7V 18650 cylindrical battery supplier services with UL/CE certifications.

• Shenzhen Hysincere Battery – Focuses on smaller batches and niche applications, making it ideal for companies testing new designs.

  
  

Factory vs Supplier: Understanding the Difference

For industrial buyers, partnering directly with a 3.7V 18650 cylindrical battery factory ensures control over specifications, pricing, and quality assurance.

Applications of 18650 Cylindrical Batteries

1. Power Tools

• High-drain discharge capability

• Reliable and consistent performance for cordless drills, saws, and other tools

2. Electric Mobility

• Modular packs for e-bikes, scooters, and light EVs

• High energy density supports longer travel distances

3. Energy Storage

• UPS, solar, and grid-tied storage solutions

• Stable voltage output ensures safe and efficient operation

4. Consumer Electronics

• Power banks, flashlights, and portable devices

• Standardized 18650 form factor ensures compatibility across devices

Selecting a trusted 18650 cylindrical battery supplier ensures performance and safety in these critical applications.

How to Choose the Right 18650 Cylindrical Battery Manufacturer

1. Check Certifications – ISO, UL, CE, and UN38.3 ensure compliance and safety.

2. Evaluate Production Capabilities – Look for automated assembly lines, consistent quality, and scalable output.

3. Request Samples – Test capacity, discharge rate, and thermal stability before bulk purchase.

4. Assess After-Sales Support – Reliable factories provide warranty, technical guidance, and logistics support.

   
   

FAQ: Common Questions from Industrial Buyers

Q1: What is the difference between a battery factory and a supplier?
A1: A 18650 cylindrical battery factory produces cells directly with OEM/ODM options, while a 18650 cylindrical battery supplier often sources from multiple factories and offers smaller MOQ options.

Q2: Can I order customized 3.7V 18650 cylindrical batteries?
A2: Yes, most top 3.7V 18650 cylindrical battery manufacturers provide custom capacity, discharge rate, and packaging options tailored for industrial applications.

Q3: How do I ensure battery safety?
A3: Verify certifications such as UL 62133, IEC, and UN38.3, and request test reports from the 3.7V 18650 cylindrical battery supplier or factory.

Q4: What is the typical lead time for bulk orders?
A4: Depending on quantity and customization, lead times range from 4–12 weeks for orders from a 18650 cylindrical battery factory.

Q5: Which Chinese cities are hubs for cylindrical battery production?
A5: Shenzhen, Dongguan, Ningbo, and Wuxi are major industrial centers with high-quality 18650 cylindrical battery manufacturers.

Q6: What are the main applications of 3.7V 18650 cylindrical batteries?
A6: They are widely used in power tools, e-bikes, electric vehicles, energy storage, and consumer electronics. Sourcing from a 3.7V 18650 cylindrical battery manufacturer ensures reliable performance.

Q7: How do I choose between different 18650 cylindrical battery suppliers?
A7: Consider certifications, production capacity, technical support, and whether the supplier offers OEM/ODM services. A reputable 18650 cylindrical battery supplier ensures long-term stability.

Q8: Can I mix different manufacturers in one battery pack?
A8: It’s not recommended. Mixing cells from different 18650 cylindrical battery factories may cause imbalance and reduce cycle life. Always use matched cells from a trusted 18650 cylindrical battery manufacturer.

Q9: How can I verify the authenticity of a 3.7V 18650 cylindrical battery factory?
A9: Check factory certifications, request production samples, and, if possible, conduct an on-site or virtual audit with the 3.7V 18650 cylindrical battery factory.

Q10: Are all 18650 cylindrical batteries the same quality?
A10: No. Quality varies by manufacturer. Always source from certified 18650 cylindrical battery manufacturers or 3.7V 18650 cylindrical battery suppliers to ensure safety and consistent performance.

Conclusion: Partner with Trusted Cylindrical Battery Manufacturers in China

For industrial buyers, choosing the right 18650 cylindrical battery manufacturer, factory, or supplier is essential to balance cost, performance, and reliability. China’s mature ecosystem ensures access to high-quality 3.7V 18650 cylindrical batteries, flexible OEM/ODM services, and proven international logistics support.

📩 Contact us today to source reliable 18650 cylindrical batteries directly from certified Chinese factories and suppliers — from initial samples to bulk production.

【Contact us for a free quote】

Related News

18650 Batteries Guide: Industrial Li-ion & LiFePO4 Manufacturer

Industrial 18650 Cylindrical Battery Factory: Dual-Technology Bulk Production for Global Markets

Leading 18650 Rechargeable Battery Manufacturer for OEM Projects

Top 18650 Cylindrical Battery Manufacturer for Reliable Power Solutions

Top 18650 Lithium Ion Battery Manufacturer for Reliable Solutions

Top 18650 LiFePO4 Battery Manufacturer: High-Performance, Long-Life Battery Solutions for Industries

Top 18650 Rechargeable Battery Manufacturer: High-Quality & Reliable Supply for Factories