UFX802030 400mAh 3.7V China Lithium-ion Cell Factory Professional Custom

Brand:UFINE NEW ENERGY (UFX)

The UFX802030 400mAh 3.7V battery is a small-sized lithium polymer battery commonly used in various electronic devices such as Bluetooth headphones, GPS trackers, and smartwatches. It has a nominal voltage of 3.7 volts and a capacity of 400 milliampere-hours (mAh). The battery's model number, UFX802030, refers to its dimensions, which are 8mm in thickness, 20mm in width, and 32mm in length.

Lithium polymer batteries like the UFX802030 are known for their high energy density, lightweight, and rechargeability. They also have a lower self-discharge rate and a longer lifespan compared to other types of batteries. This makes them a popular choice for portable devices that require a reliable and long-lasting power source.

Specs of UFX802030 400mAh 3.7V

1、Mechanical Characteristics
Cell:	UFX802030	PCM:	Yes
NTC:	No	Weight:	appr. 9g
Configuration:	1S1P
2、Electrical Specification
Capacity:	400mAh	Nominal Voltage:	3.7V
Energy:	1.48Wh	Internal Impedance：	less than 100mΩ
Max. Charge Voltage:	4.2V	Discharge Cut Off:	2.75V
Max. Charge Current:	400mA	Max. Discharge Current:	400mA
Standard Charge Current:	200mA	Standard Discharge Current:	200mA
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