Optimized for Professional Battery Pack Assemblies

This 3.7V 3400mAh 18650 lithium-ion cell addresses the demanding needs of engineers designing custom lithium battery solutions. Its welded nickel tabs enable fast, solder-free connectivity, minimizing assembly time and improving reliability. Targeted at manufacturers and developers of portable power systems, this battery supports versatile form-factor designs while ensuring consistent voltage output. The cell’s compatibility with existing pack architectures makes it an ideal choice for those seeking to customize packs without redesigning layout or systems extensively. This product suits precision-driven applications where dependable energy delivery is critical.

Advanced Technical Specifications for High Reliability

Featuring a nominal voltage of 3.7V and rated capacity of 3400mAh, this lithium cell provides a robust energy source with low self-discharge characteristics. The 18650 size ensures broad compatibility across battery packs, while built-in protection options and configurable nickel tab sizes optimize safety and integration. With its recommended charge voltage of 4.2V and a discharge cut-off at 2.75V, the cell maintains operational stability. Designed for at least 500 cycles and supporting continuous discharge currents up to 10A, it meets the rigorous demands of industrial and portable electronics applications requiring consistent performance and cycle longevity.

Integration into Industrial and Portable Power Solutions

Widely utilized by the biggest lithium ion battery manufacturers in sectors such as handheld power tools, custom energy storage, and portable electronics, this battery offers engineering teams a reliable platform for development and manufacturing. It supports complex pack configurations and enables scalable production processes. The pre-welded nickel tabs simplify pack assembly and maintenance while complying with safety certifications required in professional environments. This solution enhances operational uptime and reduces system downtime, offering tangible ROI benefits in production and field performance.

Use Scenarios

Application in Portable Power Tool Manufacturing

In the industrial environment of power tools production, reliable, compact energy sources are critical. This 18650 lithium battery with welded tabs is integrated into handheld tool packs, providing consistent 3.7V nominal voltage and sustained current for extended runtime. The welded tabs facilitate rapid assembly line integration while maintaining electrical stability and compliance with safety protocols. Battery packs assembled with this cell improve tool durability and user productivity by enabling high cycle life and stable output under frequent charging, aligning with engineering requirements for professional-grade tool systems.

Role in Custom Battery Pack Prototyping and Testing

For R&D teams in electronics and battery manufacturing, this lithium cell supports prototype development of custom lithium battery packs by enabling rapid, solderless electrical connections via pre-welded nickel tabs. Its standardized 18650 size and configurable tab options allow experimentation with pack layouts while meeting technical thresholds such as 4.2V max charge and 2.75V cut-off voltage. The cell facilitates comprehensive cycle and safety testing under realistic load conditions, helping ensure new designs meet industrial compliance and performance benchmarks prior to scale production. This accelerates validation workflows and reduces time to market.

About Us

Founded in 2010, Weijiang Battery Factory boasts 19 years of expertise in exporting rechargeable batteries. Specializing in NiMH and 18650 batteries, as well as battery packs, we excel in applications such as power tools, outdoor energy storage, and vacuum cleaners. Our flagship Chinese e-commerce brand, IPOWER, leads domestic platforms in sales volume, backed by a dedicated R&D team with over a decade of experience. Known for our superior product stability, our batteries outperform industry standards by 1.5 times. We proudly stand as China's largest NiMH rechargeable battery factory. Contact us now for your custom quote!


FAQ

What customization options are available for the Lithium 3.7V 3400mAh 18650 Battery with Welded Nickel Tabs?

Weijiang offers a variety of customization options including different nickel tab sizes, configurations, and battery protection circuits to suit specific application needs. This ensures that your custom lithium battery pack meets both safety and performance requirements precisely.

How should I properly install the battery with welded nickel tabs?

The pre-welded nickel tabs allow for solder-free assembly, facilitating a faster and more reliable integration into your custom lithium ion battery pack. Ensure correct tab alignment and secure connections to maintain safety and performance during use.

What materials and chemistry are used in the 18650 battery cells?

This battery features standard 18650 lithium-ion chemistry with a nominal voltage of 3.7V and a rated capacity of 3400mAh. The high-quality materials and design deliver stable output and a long cycle life, meeting industrial standards for durable lithium cells.

What technical support is available for businesses purchasing batteries from Weijiang?

Weijiang provides expert technical assistance through a skilled R&D team with over ten years’ experience, supporting industrial buyers during product selection, customization, and integration phases. Contact our experts for tailored advice on your next custom lithium battery project.