China Li-ion Battery Manufacturer Custom Reading Pen Battery UFX 501250 260mAh 3.7V Rechargeable Li-polymer Battery

BRAND:UFINE/UFX BATTERY

Ufine New Energy is a leading China Li-ion battery manufacturer, specializing in the production of high-quality rechargeable batteries. Our product range includes the UFX 501250 260mAh 3.7V battery, which is widely used in custom reading pens and other electronic devices. We offer customized solutions to meet the specific battery requirements of our customers. As a reputable manufacturer, we provide reliable and competitively priced lithium-ion batteries. Our lithium polymer cell solution delivers exceptional performance in terms of energy density and stability. With a commitment to quality, we ensure that our batteries are manufactured to the highest standards and undergo rigorous testing to guarantee safety and reliability. At Ufine New Energy, we understand the importance of satisfying our customers' needs. Our team of experts is dedicated to providing personalized service and technical support to assist in battery selection and customization. Whether you require custom batteries or are interested in lithium polymer battery solutions, we have the expertise and capabilities to meet your demands. Consider Ufine New Energy for outstanding quality, competitive prices, and excellent customer service. Contact us today to discuss your battery requirements and experience the difference of working with a trusted Li-ion battery manufacturer.

Specs of UFX501250 260mAh 3.7V

1、Mechanical Characteristics
Cell:	UFX501250	PCM:	Yes
NTC:	No	Weight:	appr.6g
Configuration	1S1P
2、Electrical Specification
Capacity:	260mAh	Nominal Voltage:	3.7V
Energy:	0.962Wh	Internal Impedance:	less than 220mΩ
Charge Voltage:	4.2V	Discharge Cut Off:	2.75V
Max. Charge Current:	260mA	Max. Discharge Current:	260mA
Standard Charge Current:	130mA	Standard Discharge Current:	130mA
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