Ufine New Energy is a professional lithium cell manufacturer based in China. We specialize in producing high-quality rechargeable batteries to meet various needs in the market. Our UFX 18650-2P 5200mAh 3.7V battery is specifically designed for hand warmers, providing long-lasting and reliable power.
As a dedicated manufacturer, we offer professional customization services for hand warmer rechargeable LiPo batteries. Our team is experienced in developing and producing customized lithium-polymer battery packs according to specific requirements.
With a focus on quality and safety, Ufine New Energy ensures that all our products, including the 18650 lithium battery 3.7V, meet the highest standards. We strive to provide reliable and durable energy solutions for customers worldwide.
Specs of UFX18650-2P 5200mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX18650-2P
PCM:
Yes
NTC:
No
Weight:
appr.99g
Configuration
1S2P
2、Electrical Specification
Capacity:
5200mAh
Nominal Voltage:
3.7V
Energy:
19.24Wh
Internal Impedance:
less than 120mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
2600mA
Max. Discharge Current:
2600mA
Standard Charge Current:
1040mA
Standard Discharge Current:
1040mA
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