Ufine New Energy is a leading lithium battery manufacturer specializing in the production of high-quality lithium-ion batteries. Our factory is equipped with state-of-the-art technology and advanced production facilities. We take pride in producing the UFX 551245 250mAh 3.7V lithium battery, which is specifically designed for recording pens.
At Ufine New Energy, we prioritize safety and performance. Our lithium-ion batteries undergo rigorous testing to ensure that they meet the highest industry standards. With our advanced production techniques, we are able to provide batteries with excellent energy density, longer lifespan, and reliable performance.
As a customer-oriented company, we also offer customization services to meet specific requirements. Whether it's the voltage, capacity, or size, we can tailor our lithium batteries to suit your needs. Our team of experienced professionals is committed to delivering high-quality products and excellent customer service.
To learn more about our products and services, please visit our website at Ufinebattery.com. We also provide detailed specifications for our lithium-ion batteries, ensuring transparency and helping our customers make informed decisions.
We are also dedicated to environmental sustainability and responsible waste management. Our lithium-ion batteries can be safely disposed of according to industry regulations and standards, ensuring minimal impact on the environment.
Choose Ufine New Energy for your lithium battery needs and experience the reliability and performance that our products offer.
Specs of UFX551245 250mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX551245
PCM:
Yes
NTC:
No
Weight:
appr.6.5g
Configuration
1S1P
2、Electrical Specification
Capacity:
250mAh
Nominal Voltage:
3.7V
Energy:
0.925Wh
Internal Impedance:
less than 220mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
250mA
Max. Discharge Current:
250mA
Standard Charge Current:
125mA
Standard Discharge Current:
125mA
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