Model: UFX 18650-2P2S Capacity:4400mAh Nominal Voltage:7.4V Max. Charge Voltage:8.4V 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 t
BRAND:UFINE/UFX BATTERY 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 7.4V, 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. Specs of UFX18650-2P2S 4400mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX18650-2P2S
PCM:
Yes
NTC:
No
Weight:
appr.200g
Configuration
2S2P
2、Electrical Specification
Capacity:
4400mAh
Nominal Voltage:
4.2V
Energy:
32.56Wh
Internal Impedance:
less than 150mΩ
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 (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