Rechargeable Cell Factory Professional Custom Bluetooth Speaker Battery Low Self-discharge Lipo Battery-Leading Manufacturer In China

Brand:UFINE NEW ENERGY (UFX)

Ufine New Energy is a professional lithium battery manufacturer in China.

Our lithium ion batteries are widely used in power tools, electric vehicles, energy storage, medical devices, drones, smart wearables and other fields. We have a complete set of production equipment and advanced testing equipment to ensure product quality and safety.

Our lithium ion batteries have the advantages of high energy density, long cycle life, low self-discharge, high rate discharge, low internal resistance, etc. We can customize battery specifications according to customer needs, including voltage, capacity, size, etc.

We have obtained ISO9001 quality management system certification and UL certification. Our products have been exported to Europe, North America, Southeast Asia and other regions. We aim to become the most trusted lithium battery supplier in the global market.

We sincerely welcome new and old customers to cooperate with us. Ufine New Energy will provide you with high-quality, reliable and customized lithium battery solutions.

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 180mΩ
Max. Charge Voltage:	4.2V	Discharge Cut Off:	2.75V
Max. Charge Current:	4000mA	Max. Discharge Current:	4000mA
Standard Charge Current:	2000mA	Standard Discharge Current:	2000mA
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		4、Cycle life Characteristics

Product Details

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

Factory Photos

Display Of Testing Equipment


Certification