Ufine New Energy is a leading manufacturer of lithium ion rechargeable batteries in China. We specialize in the production of high-quality custom batteries, including the UFX 501447 280mAh 3.7V battery, which is specifically designed for wholesale recording pen applications.
Our factory, located in China, is equipped with advanced manufacturing facilities and follows strict quality control processes to ensure the reliability and consistency of our batteries. We are proud to hold the KC Certificate, which demonstrates our commitment to meeting international safety and quality standards.
With years of experience in the industry, we have established ourselves as a trusted supplier of lithium batteries. Our products are known for their exceptional performance, long lifespan, and excellent energy efficiency. Whether you need batteries for recording pens, electronic devices, or any other application, we can provide customized solutions to meet your specific requirements.
At Ufine New Energy, customer satisfaction is our top priority. We strive to deliver the highest quality products and provide excellent customer service. As a leading manufacturer in China, we are dedicated to innovation and continuous improvement, ensuring that our batteries meet the evolving needs of our customers. Choose Ufine New Energy for your lithium battery needs and experience reliable power solutions.
Specs of UFX501447 280mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX501447
PCM:
Yes
NTC:
No
Weight:
appr.6.5g
Configuration
1S1P
2、Electrical Specification
Capacity:
280mAh
Nominal Voltage:
3.7V
Energy:
1.036Wh
Internal Impedance:
less than 250mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
280mA
Max. Discharge Current:
280mA
Standard Charge Current:
140mA
Standard Discharge Current:
140mA
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
5、Cycle life Characteristics
Product Details We are an advanced technology company specialized in the research and production of Lithium Polymer battery, LiFePO4 battery, Ultra thin lipobattery, Low-temperature battery.Our company has obtained complete certification for our batteries, including KC, UL, CB, UN38.3, and CE certifications for over 280 product models. Our products are primarily exported to Europe, America, Japan, and South Korea, and have received high praise from our customers,as well as offering batteries with different features:
-40℃ ultra-low temperature lithium battery.
Customizable size and shape.
3C fast charge battery.
25C high discharge rate battery
High energy density battery (≥260Wh/kg)
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