FEB 18650 3.6V 3500mAh/3800mAh/4000mAh Li-ion Battery

FEB 18650 3.6V Li-ion Battery - 3500mAh/3800mAh/4000mAh High Capacity

Optimized for Advanced Energy Storage Systems

The FEB 18650 3.6V Li-ion Battery is tailored for engineers and manufacturers seeking a dependable 18650 lithium ion battery capable of efficient energy delivery in portable and embedded applications. This battery supplier provides multiple capacity options including the 18650 battery 3500mah variant to meet diverse power requirements while ensuring stability and safety. It is ideal for product developers requiring consistent voltage and long cycle life in sectors such as consumer electronics, medical devices, and smart security systems. The solution enables seamless integration with existing battery management systems, simplifying deployment in complex assemblies.

Precision Technical Specifications and Compliance

Designed with exacting standards, this 18650 lithium ion battery features a nominal voltage of 3.6V and low internal resistance (≤25mΩ) to support efficient current discharge up to 2C rates. The battery offers three power capacities including the 18650 battery 3500mah, certified under CE, RoHS, UL, and UN38.3 directives, ensuring adherence to global safety and quality standards. Its endurance is evidenced by a 70% capacity retention after 600 cycles, supported by ISO9001 and ISO14001 managed production processes from top lithium ion battery manufacturers. This guarantees predictable performance and less downtime in critical applications.

Versatile Applications Across Industry Verticals

This high capacity 18650 battery is suited for a broad spectrum of industrial applications, from powering electric scooters and garden tools to energy storage in portable medical devices and autonomous IoT networks. The configuration enables reliable operation across varied temperature ranges and load cycles, supporting high-demand systems such as outdoor emergency power and GPS trackers. As a trusted component from a quality battery supplier, the battery ensures operational continuity and compliance within professional energy ecosystems, catering specifically to business clients requiring scalable and reproducible energy solutions.

Product Specifications

Advantages

-High safety

-High capacity

-Low internal resistance

-Stable discharge voltage

-High consistency in capacity&voltage&resistance

-No fire, no explosion, no leakage

Robust Structural Design and Manufacturing Excellence

The FEB 18650 3.6V Li-ion Battery integrates a robust cylindrical design that optimizes spatial efficiency and thermal management, characteristics critical for high density energy systems. As a product developed by seasoned lithium ion battery manufacturers, it features controlled internal resistance and maximum charge currents supporting fast charging protocols. Quality assurance protocols aligned with ISO9001 and ISO14001 standards facilitate system-level integration with enhanced safety features, minimizing failure risks. This battery supplier’s focus on precision machining and rigorous testing protocols guarantees product uniformity and interoperability across varied device architectures.

Superior Performance and User-Centric Reliability

Performance-wise, this battery maintains stable voltage output and prolonged cycle life, critical for mission-sensitive equipment requiring unwavering power delivery. The high capacity 18650 battery line, including the 18650 battery 3500mah model, offers balanced energy density and discharge rates conducive to extended operational uptime. Its usability in integrated power systems reduces maintenance intervals, optimizing overall lifecycle cost. By providing consistent output within defined thermal limits, the battery supports end users in achieving dependable system performance and enhances ROI through minimized failure rates and enhanced device longevity.

Applications
Bluetooth speaker, flashlight, solar light,intelligent door lock, gps tracker, parking device, medical device, POS machines, power tool, garden tool, sweeper, electric scooter, electric bike, outdoor power supply, etc

Energy Solution for Portable Healthcare Devices

In medical device manufacturing, reliability and compliance are paramount. The FEB 18650 3.6V Li-ion Battery serves as an optimal power source in portable medical instruments, guaranteeing steady output voltages to support diagnostic accuracy and patient safety. Its certifications from recognized authorities assure compliance with medical equipment regulations. Integration into these systems benefits from the battery supplier’s stringent quality management, enabling seamless connection with device power modules. This ensures uninterrupted power supply in clinic and field environments, critical to supporting healthcare providers under variable load and temperature conditions.

Power Source for Electric Mobility Applications

Electric scooters and bikes demand high-performance batteries with excellent charge-discharge efficiency and safety credentials. The high capacity 18650 battery provided by established lithium ion battery manufacturers addresses the electric mobility sector’s need for durable energy storage enabling extended range and reliable acceleration. Its enhanced energy density and mechanical robustness mitigate performance degradation in harsh operational environments. As a battery supplier frequently engaged in this industry vertical, the product’s compatibility with battery management systems assures integration ease, thus supporting manufacturers in delivering dependable and compliant mobility solutions.

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FAQ 

What distinguishes your FEB 18650 3.6V Li-ion Battery from other 18650 lithium ion batteries?

Our FEB 18650 battery offers high capacities of 3500mAh, 3800mAh, and 4000mAh with low internal resistance and certified safety (CE, RoHS, UL). We ensure stable voltage and long cycle life, making it ideal for industrial applications needing reliable energy storage from a trusted 18650 lithium ion battery manufacturer.

Can I request customized specifications or capacities beyond the standard options?

We provide the FEB 18650 battery in three standard capacities: 3500mAh, 3800mAh, and 4000mAh. For specific customization needs, including tailored capacity or other requirements, please contact our technical team. As a professional battery supplier, we are committed to meeting unique industrial demands.

What installation and maintenance considerations should I be aware of for these lithium ion batteries?

Our FEB 18650 batteries must be used within recommended charge (0-45℃) and discharge (-20℃ to 60℃) temperature ranges for optimum performance. We advise professional handling during installation to maintain safety certifications and ensure long service life, especially when integrating into complex systems requiring stable power.

How do you manage shipping and quality assurance for bulk orders of your lithium ion batteries?

We follow stringent ISO9001 and ISO14001 standards throughout production and packaging to ensure battery integrity during transit. As a seasoned lithium ion battery manufacturer, we coordinate with international logistics to deliver safely and on time, supporting clients worldwide with consistent quality and reliable supply chains.

Yichun Topwell Power Co., Ltd (Trademark:TWE) established in 2002, is a high-tech enterprise focusing on the R&D, production and sales of lithium polymer batteries, lithium ion batteries, lithium iron phosphate batteries, and lithium thionyl chloride batteries. Products are widely used in consumer electronics, Internet of Things, smart home, medical, vehicle, home and outdoor energy storage, and have obtained CE, RoHS, Reach, UN38.3, IEC62133, CB, UL, MSDS certifications, etc.

Topwell moves on by providing reliable, efficient and intelligent battery solutions to meet different energy needs. We have efficient engineering, production and quality management teams. From raw material procurement, to production, testing, sales and after-sales service, all steps have been controlled by a strict quality management system. Our factory has passed ISO9001, IS014001, BISI certification, SGS, Intertek audit. With the advantages in price, quality and service, we have established long-term and stable cooperative relationships with many well-known brands. Topwell always attached the great importance to the long term cooperation with customers. No matter the order is big or small, we do our best to support you the highest quality with favorable price. We believe that Topwell Power can be your best battery supplier!