Welcome to Ufine New Energy, a famous manufacturer of lithium-ion rechargeable cells in China. Our factory produces high-quality lithium battery products, including our popular UFX 4050160 4000mAh 3.7V rechargeable battery and polymer lithium battery.
Our factory is committed to providing wholesale rechargeable battery solutions that meet the individual needs of our customers. We use advanced technology and equipment to produce high-performance batteries that meet international standards for quality and safety.
As a leading lithium-ion rechargeable cell factory in China, we believe that our customers' satisfaction is our top priority. That's why we invest heavily in our research and development processes to continually improve the quality and performance of our products.
Our rechargeable lipo batteries are designed to be reliable and long-lasting, ensuring that our customers get the most out of their devices. We offer our customers excellent support both before and after purchasing our lithium ion rechargeable battery products.
We take pride in our commitment to client satisfaction, and we strive to maintain our position as a top lithium-ion rechargeable cell factory in China. At Ufine New Energy, we are passionate about delivering products that offer exceptional quality, performance, and value to our customers, whether they are using our products for personal or professional purposes. Thank you for choosing Ufine New Energy as your preferred supplier for lithium-ion rechargeable batteries.
Specs of UFX4050160 4000mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX4050160
PCM:
Yes
NTC:
No
Weight:
appr.74.3g
Configuration
1S1P
2、Electrical Specification
Capacity:
4000mAh
Nominal Voltage:
3.7V
Energy:
14.8Wh
Internal Impedance:
less than 120mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
2000mA
Max. Discharge Current:
2000mA
Standard Charge Current:
800mA
Standard Discharge Current:
800mA
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