3.6V INR18650 3200mAh Lithium Ion Battery 3C High-Drain for E-bikes, Flashlights, and Outdoor Power Devices

Item No.: TWE0617
Model: LI18650-3200
Nominal Voltage: 3.6V
Nominal Capacity: 3200mAh
Max Continuous Discharge Current: 3C
Warranty: 1 year
Description Brand Introduction Review
Description

Functional Integration for Specialized Mobility Solutions

This product targets engineers and procurement teams seeking a robust 48v lithium ion battery tailored to fulfill power demands within electric vehicle ecosystems. Our solution is engineered for compatibility with diverse electric mobility platforms, emphasizing integration with electric bike battery 48v systems. Buyers benefit from customized configurations developed with our expertise as a custom battery manufacturer, aligning energy density and form factor objectives precisely with application requirements. This ensures seamless incorporation into vehicle powertrains, enhancing operational reliability and system stability for battery for electric bike deployments in urban and commercial environments.


Advanced Specifications Enabling High-Efficiency Performance

The battery pack supplier implements rigorous design parameters including optimized cell chemistry, elevated cycle life, and consistent voltage output to deliver superior performance metrics relevant to industry standards. The 48v lithium ion battery construction features modular assemblies enabling tailored capacity ranges. Technical specifications include temperature resilience, discharge rates aligned with motor controller demands, and adherence to certifications ensuring safety and compliance. Precise control over internal impedance and thermal management results in stable output under variable loads. These measurable attributes verify the battery pack’s suitability for integration with electric bike battery 48v systems requiring dependable energy throughput and lifecycle longevity.


Deployment Across Electric Mobility and Renewable Energy Sectors

Our battery for electric bike solutions find extensive application in electric bicycle manufacturing, fleet electrification, and last-mile delivery services where efficiency and reliability are critical. Additionally, this 48v lithium ion battery is employed in auxiliary power units and portable energy storage within renewable energy frameworks. The adoption of such battery packs optimizes operational uptime and maintenance cycles, delivering cost-effective power management solutions. Integration protocols established by experienced custom battery manufacturer service providers facilitate smooth system compatibility with vehicle electronics, ensuring performance validation in real-world operational contexts.

Product Specifications
Item Specifications Remark
Model No. LI18650-3200
Nominal Voltage 3.6V
Nominal Capacity 3200mAh @0.2C standard charge&discharge
Dimensions 18.5*65.5mm max Diameter*Height
Cycle Life ≥500 times
Charge Method CC/CV
Charge Cut-off Voltage 4.2V
Discharge Cut-off Voltage 2.75V
Standard Charge Current 0.2C
Standard Discharge Current 0.2C
Max Continuous Charge Current 3C
Max Continuous Discharge Current 5C
Operating Temperature Range Charge: 0~45℃
Discharge: -20~60℃
Storage Temperature Range -20~25℃ 12 months
Internal Resistance ≤25mΩ
Weight 49±2g
Product Advantages
  • High Capacity – 3200mAh for extended runtime

  • 3C Discharge Rate – Supports high-drain applications

  • Durable Design – Long cycle life and stable output

  • Versatile Use – Ideal for e-bikes, flashlights, tools, and outdoor power

  • Reliable Performance – Built-in safety and consistent quality


    Modular Design and Manufacturing Excellence

    Our role as a battery pack supplier allows for adaptable modular design that accommodates various electric vehicle architectures. The structural layout includes scalable cell configurations optimized to maintain thermal equilibrium and mechanical stability. This approach reduces integration complexity in electric bike battery 48v setups while supporting streamlined production through precise quality controls. As a custom battery manufacturer, we implement automated assembly and testing lines certified under ISO standards, ensuring consistent build quality and reliability. The design flexibility supports configuration variations for battery for electric bike projects, facilitating rapid customization while maintaining industry-grade robustness.


    Optimized Performance and Long-Term Usability

    The product's electrical and chemical composition delivers high energy density with sustained discharge rates suited for demanding operational profiles. This 48v lithium ion battery offers balanced power-to-weight ratios enhancing vehicle range and acceleration responsiveness. Usability is enhanced by integrated battery management systems that monitor state-of-charge and health parameters, reducing risk and downtime during fleet operations. The battery for electric bike units benefit from reduced maintenance cycles and extended service life, maximizing total cost of ownership advantages. Our battery pack supplier status ensures continued support and engineering consultation to align performance metrics with evolving market standards.

Applications
Military equipment, aerospace equipment, communication devices, solar street light, GPS, sensor, medical device, outdoor and adventure gear, telecommunication equipment, mining devices, EVSE charger, Camera, etc

Electric Bicycle Power Systems in Urban Transit

In urban transit environments, electric bikes require dependable power sources that support frequent start-stop cycles and varied terrain conditions. The 48v lithium ion battery functions as the primary energy storage component, providing stable voltages to drive electric motors efficiently. Its compliance with safety and performance certifications ensures integration reliability within electric bike battery 48v frameworks. This battery for electric bike capability enhances vehicle uptime and rider range, aligning with operational demands in logistics and personal mobility services. The modular battery pack supplier role facilitates rapid customization and supply chain agility to meet high-volume urban deployment schedules.


Renewable Energy Storage and Auxiliary Power Applications

In renewable energy systems, the 48v lithium ion battery serves as a compact, efficient storage medium enhancing energy retention and discharge cycles in solar and wind power installations. Its robust engineering as a battery for electric bike also supports applications requiring portable power modules for field equipment. The product's technical attributes allow efficient energy capture and rapid discharge, optimizing energy management workflows within decentralized grid environments. System integrators leverage custom battery manufacturer capabilities to tailor capacity and output specifications, ensuring seamless mesh with renewable infrastructure and electric bike battery 48v applications requiring hybrid energy solutions.

Military Equipment
GPS
Satellite Phone
Solar Street Light
Drones
EVSE Charger
Certificates
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
CE certificate
ISO14001
RoHS certificate
CB certificate
CB certificate
CE certificate
ISO14001
RoHS certificate
CB certificate
CB certificate
CE certificate
ISO14001
RoHS certificate
CB certificate
CB certificate
Production Process
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 Injection
Fully automatic bell type liquid injection machine
07 Tab Welding&Beading
Automatic welding machine
06 Into Shell
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
Precision automatic roller machine
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
Packing&Delivery
With 20 years experience in battery field, Topwell can arrange the battery ship by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries,
such as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Packing
Delivery
Exhibitions

FAQ 


What customization options do you offer for lithium battery packs?

We specialize as a custom battery manufacturer, providing tailored solutions including size, capacity, and discharge rates to meet specific industrial application needs. Our production lines accommodate various requests to deliver reliable and compliant battery packs optimized for your projects.


Can your 3.6V INR18650 3200mAh battery be integrated into electric bike systems?

Yes, our battery is designed as a high-performance electric bike battery 48V component with 3C continuous discharge to support demanding motor loads. We provide technical consultation to ensure seamless integration into your e-bike power systems.


What packaging and shipping methods do you use for large battery orders?

We follow strict logistic regulations for handling lithium batteries, employing robust packaging to ensure safety during transportation. We support bulk exports to over 80 countries and coordinate with reliable carriers to meet your delivery schedules efficiently.


How should I maintain the battery to ensure long cycle life and performance?

We recommend charging at 0.2C under specified temperature ranges and avoiding deep discharges below 2.75V. Proper storage between -20~25°C and routine cycle monitoring helps maintain the battery’s 500+ cycle life and stable output for your battery pack supplier needs.

Brand Introduction

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!

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