Optimized Power Solution for Electric Mobility and Industrial Use
This lithium ion battery pack is engineered for system integrators and manufacturers needing reliable power sources, serving primarily as an electric bike battery or for demanding portable electric tools. As a product from a reputable custom battery manufacturer, it targets applications requiring long runtime and robust performance under varied load conditions. The product fits directly into battery pack supplier portfolios aimed at end-use devices like electric bikes and scooters, providing consistent voltage and capacity that meets advanced industry standards. It supports OEMs and design engineers seeking durable, scalable solutions for their battery packs.
Advanced Technical Specifications Ensuring Efficiency and Safety
Featuring a nominal voltage of 3.7V and a capacity of 5000mAh, this battery for electric bike use and power tools supports continuous discharge rates up to 25A and peak currents up to 50A. It complies with CE, ROHS, UN38.3, and IEC62133 certifications, ensuring safety and transport compliance critical for stationary and mobile applications. The compact 21700 cylindrical cell offers low internal resistance and stable voltage output, enhancing energy efficiency and thermal stability. Cycle life exceeding 800 cycles at 80% capacity retention confirms its long-term reliability, vital parameters prioritized by battery pack suppliers and system designers.
Versatile Integration Across Electric Mobility and Portable Power Equipment
Utilized extensively in electric bikes, scooters, and high-drain power tools, this lithium ion battery pack facilitates extended operation and dependable power delivery. Battery pack suppliers incorporate it to meet stringent performance needs across outdoor mobility and portable equipment sectors, optimizing operational uptime and user productivity. Its consistent output supports real-world applications including smart security devices and GPS trackers, reflecting its adaptability and value as a core component in modern electric transportation and portable energy storage systems.
| Item |
Specifications |
Remark |
| Model No. |
LI21700-5000 |
|
| Nominal Voltage |
3.7V |
|
| Nominal Capacity |
5000mAh |
Standard discharge after standard charge |
| Dimensions |
21.4*70.5mm max |
Diameter*Height |
| Cycle Life |
≥800 times |
≥ 80% of the initial capacity |
| Charge Method |
CC/CV with dedicated charger |
|
| Charge Cut-off Voltage |
4.2V |
|
| Discharge Cut-off Voltage |
2.5V |
|
| Standard Charge Current |
1A |
|
| Standard Discharge Current |
1A |
|
| Max Continuous Charge Current |
5A |
10℃≤Temp＜45℃ |
| Max Continuous Discharge Current |
25A |
|
| Max Peak Discharge Current |
50A |
|
| Recommended Operation Ambient Temperature |
Charge: 0~45℃ Discharge:-20~60℃ |
|
| Storage Temperature |
-20℃~25℃ |
12 months |
| -20℃~45℃ |
3 months |
| -20℃~60 ℃ |
1 month |
| Internal Resistance |
≤35mΩ |
|
| Weight |
70±2g |
|
-High safety -Real capacity -Low internal resistance -Stable discharge voltage -High consistency in capacity&voltage&resistance -No fire, no explosion, no leakage
Structural and Design Strengths Tailored for Integration
From a design standpoint, this lithium ion battery pack exemplifies modularity and system compatibility, ideal for custom battery manufacturer solutions requiring flexibility. The 21700 form factor enhances cell density and simplifies packaging within compact assembly spaces, supporting efficient thermal management due to low internal resistance. Its robust construction complies with international safety certifications, enabling seamless integration into electrical systems handled by battery pack suppliers. The design facilitates scalable assembly for electric bike battery configurations, maximizing energy density per volume while maintaining industry compliance.
Enhanced Performance and Operational Reliability
Performance advantages include a steady 5C discharge capability that ensures sustained power delivery suited to electric bike battery demands and intensive power tool applications. The battery for electric bike use benefits from extended cycle life and consistent voltage stability, reducing maintenance intervals and operational downtime. The low heat generation characteristic improves user safety and system endurance in real-time operational environments. These performance traits deliver significant value to manufacturers and end-users, enhancing system reliability and optimizing total cost of ownership.
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
Electric Transport Systems Requiring High-Density Power
In the electric bike and scooter industry, this lithium ion battery pack integrates into battery modules that power vehicles for urban and off-road mobility. Its high discharge rate and capacity support extended vehicle range and acceleration performance, meeting end-user expectations for reliability and endurance. Compliance with transport safety regulations enables safe logistics and deployment within supply chains managed by battery pack suppliers. The cell’s compatibility with existing battery management systems ensures efficient energy use and load balancing within electric mobility platforms, critical for large-scale electric bike battery manufacturing.
Portable Power Tools and Outdoor Equipment Applications
This lithium ion battery pack is instrumental in powering portable power tools, where high pulse currents and fast energy delivery are essential for operational efficiency. As part of a custom battery manufacturer’s offering, it meets rigorous cycle life demands while maintaining energy density suitable for compact tool designs. Its integration within outdoor equipment enhances uptime and device autonomy, a key value proposition in professional and industrial workflows. The battery complies with stringent safety and environmental standards, ensuring dependable field performance and simplified battery pack supplier inventory management across multiple product lines.
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
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
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
All cells will be 100% tested for 3 cycles.
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
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...
FAQ
What customization options do you offer for battery packs?
We are a leading custom battery manufacturer and can tailor lithium-ion battery packs to meet specific capacity, size, and discharge requirements. Our engineering team works closely with you to ensure the final product suits your application, such as electric bike batteries or power tool cells.
Can you supply lithium-ion battery packs for electric bikes in large quantities?
Yes, as a trusted battery pack supplier, we have daily production capacities reaching hundreds of thousands of lithium-ion cells. Our Topwell Power 5C 3.7V 5000mAh 21700 cells are ideal for electric bike batteries, offering high capacity and certified safety for large-scale orders.
How should I properly install the Topwell Power 21700 Li-ion Cell in my device?
We recommend installing the cell following manufacturer guidelines ensuring correct polarity and secure connections. Use appropriate battery holders or packs designed for the 21700 form factor to maintain safety and performance in scooters, e-bikes, or power tools.
What shipping standards does Topwell Power comply with for lithium-ion batteries?
Our batteries, including the 21700 Li-ion Cell, are certified under UN38.3 for safe transportation worldwide. We adhere to all international and regional regulations, ensuring your order complies with logistics requirements and arrives without delay or risk.
