UFX18650-2P2S 4400mAh 7.4V China Lithium-ion Cell Factory Professional Custom

Item No.: ufx028
UFX18650-2P2S 44000mAh 7.4V features the combination of two battery cells in series, paired based on voltage, capacity, and internal resistance. The battery is rated at a nominal voltage of 7.4V, which increases the voltage.
$10.00
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Description Review
Description

Ufine Battery 18650-2P2S 4400mAh 7.4V
Welcome to Ufine New Energy, a leading China-based manufacturer of polymer lithium-ion cells. Our product line includes a range of high-quality batteries, including the UFX 18650-2P2S 4400mAh 3.7V, customized fingerprint lock battery, rechargeable lithium-polymer battery pack, lithium polymer cell solution, battery 7.4V, 18650, and lipo battery 2s.Our company is dedicated to providing our customers with exceptional products and services, and we are committed to using only the highest-quality materials in the production of our batteries. We also offer customized solutions to meet the specific needs of our customers.At Ufine New Energy, we pride ourselves on our commitment to safety and quality. All of our products undergo rigorous testing before they are released to ensure that they meet our strict standards for safety and reliability.Thank you for considering Ufine New Energy for your battery needs. We look forward to working with you to provide the best possible lithium-ion cell solutions for your business.

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Specs of 18650-2P2S 4400mAh 7.4V

1、Mechanical Characteristics

Cell:

UFX18650-2p2s

PCM:

Yes

NTC:

No

Weight:

200g

Configuration:

2P2S

 

 

2、Electrical Specification

Capacity:

4400mAh

Nominal Voltage:

7.4V

Energy:

32.56Wh

Internal Impedance:

less than 150mΩ

Max. Charge Voltage:

8.4V

Discharge Cut Off:

6V

Max. Charge Current:

2200mA

Max. Discharge Current:

2200mA

Standard Charge Current:

880mA

Standard Discharge Current:

880mA

Charge Temp. Range:

10°C to 45°C

Discharge Temp. Range

-20°C to 60°C

Storage Temp. Range

1 year at -20℃ to +30℃ 

 Cycle life:

100 cycles ≥92% 

3 moths at -20℃ to +45℃

300 cycles ≥88% 

1 month at -20℃ to +60℃

500 cycles ≥80%  

 3、Cell protection

Overcharge Detection :

4.28 ±25mV (0.7to 1.3sec delay, release 4.08V ±50mV)

Overdischarge Detection:

2.9V ±80mV (70 to 150msec. delay, release 3.0V ±100mV)

Overcurrent Detection:

 4A to 6A (5to 15msec. delay)

Short protection:

Yes

DISCHARGE RATE CHARACTERISTICS                                                          CYCLE LIFE CHARACTERISTICS
                            

Product Details

Ufine is a manufacturer  with independent research and development and production of polymer lithium-ion batteries. With years of experience in the field of polymer lithium-ion battery solutions, We have accumulated rich  technical experience. Currently, the company offers more than 300 different product models, all certified with KC, UL, CB, and other certifications.Moreover, We can quickly design and develop new products according to customer needs and arrange sample testing. 

Why Choose Ufine to OEM or ODM Battery

UFine battery has over 30 professional engineers and technical staff who can provide polymer lithium battery solutions for you. As a lithium battery manufacturer, we are capable of rapid design, customization, and bulk production. Here are the main characteristics of our company:
1、Source manufacturer, strong factory, and powerful design and development capabilities.
2、
Short delivery time and sufficient inventory.

3、Self-produced, sufficient capacity, refuse false labeling, and guarantee capacity.
4、Strict quality control through a full range of quality systems from raw materials to finished products.
5、Our products are certified and meet various international battery standards, allowing us to directly export to markets such as Europe, America, and Korea.
6、Our team of professional foreign trade sales engineers can quickly respond to customer inquiries and provide solutions
  • High energy density
  • Long cycle life
  • Capability of discharge at ultra-low temperature of -40℃
  • Ability to be designed for high voltage (up to 4.4V)
  • Customizable sample and mass production according to customer needs. 
Factory Photos

Display Of Testing Equipment


Certification


 
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