Sodium Ion Battery Manufacturers In China Lithium Ion Battery for Flashlight UFX 303040 300mAh 3.7V Thin Lithium Ion Battery
No.ufx444-07
Model: UFX 303040 Capacity: 300mAh Nominal Voltage:3.7V Max. Charge Voltage:4.2V UFX 303040 battery offers a capacity of 300mAh and a voltage of 3.7V, providing reliable power for flashlights and other devices. We understand the importance of battery performance, and we conduct rigorous lithium cell testing to ensure the highest stan
Ufine New Energy is a renowned manufacturer of sodium ion batteries in China. Our factory specializes in producing high-quality batteries, including the UFX 303040 300mAh 3.7V lithium ion battery for flashlights. We are also known as a leading manufacturer of thin lithium ion batteries. With our expertise in lithium ion battery manufacturing, we have gained a reputation as a famous manufacturer in China. We are committed to providing excellent customer support and technical assistance to ensure customer satisfaction. Choose Ufine New Energy as your trusted battery manufacturer. Experience the difference of our high-quality batteries and benefit from our industry-leading expertise in sodium ion battery manufacturing.
Specs of UFX303040 300mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX303040
PCM:
Yes
NTC:
No
Weight:
appr.6.8g
Configuration
1S1P
2、Electrical Specification
Capacity:
300mAh
Nominal Voltage:
3.7V
Energy:
1.11Wh
Internal Impedance:
less than 200mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
300mA
Max. Discharge Current:
300mA
Standard Charge Current:
150mA
Standard Discharge Current:
150mA
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