China Li-ion Battery Manufacturer OEM Medical Equipment Battery UFX 303448 400mAh 3.7V High Quality Rechargeable Battery

Item No.: ufx099-08
Our products include lithium-ion rechargeable batteries, polymer lithium-ion batteries and 3.7V lithium-ion batteries. The models we provide include UFX 303448 (400mAh 3.7V) and customized battery solutions based on your requirements.
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Brand:UFINE NEW ENERGY (UFX)

Ufine New Enegry is committed to providing customers with premium lithium ion batteries and excellent service. We offer OEM, ODM and customized battery solutions based on your specific needs. If you are looking for a reliable lithium ion battery supplier, please contact us for more details.

We focus on producing high performance, safe and durable lithium-ion batteries using the latest battery cell technology and manufacturing processes. Our batteries go through multiple tests to ensure high quality and reliability. We also provide customized services to meet the unique needs of our clients.

Specs of UFX303448 400mAh 3.7V

1、Mechanical Characteristics

Cell:

UFX303448

PCM:

Yes

NTC:

No

Weight:

appr. 8g

Configuration:

1S1P

 

 

2、Electrical Specification

Capacity:

400mAh

Nominal Voltage:

3.7V

Energy:

1.48Wh

Internal Impedance:

less than 200mΩ

Max. Charge Voltage:

4.2V

Discharge Cut Off:

2.75V

Max. Charge Current:

400mA

Max. Discharge Current:

400mA

Standard Charge Current:

80mA

Standard Discharge Current:

80mA

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 (1 to 1.6sec delay, release 4.2V ±50mV)

Overdischarge Detection:

2.5V ±50mV (115 to 175msec. delay, release 3.0V ±50mV)

Overcurrent Detection:

2.5A to 4.0A (9 to 15msec. delay)

Short protection:

Yes

4、Discharge Rate Characteristics

4、Cycle life Characteristics

 1

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

Factory Photos

Display Of Testing Equipment


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