Li-po Cell Manufacturer Wholesale Rechargeable Battery for Mini-speaker UFX 401119 55mAh 3.7V Mini Rechargeable Battery
No.ufx138-07
Model: UFX 401119 Capacity:55mAh Nominal Voltage:3.7V Max. Charge Voltage:4.2V UFX 401119 55mAh 3.7V cell, which is ideal for mini-speakers and other portable devices.As a wholesale supplier, we offer competitive pricing on our rechargeable batteries, making it easy for businesses to source reliable power solutions
BRAND:UFINE/UFX BATTERY Ufine New Energy is a leading manufacturer of Li-po cells, providing high-quality products for a variety of applications. Our factory is ISO9001 certified, ensuring the highest standards in manufacturing and quality control. We offer a wide range of products, including the UFX 401119 55mAh 3.7V cell, which is ideal for mini-speakers and other portable devices.As a wholesale supplier, we offer competitive pricing on our rechargeable batteries, making it easy for businesses to source reliable power solutions. Our mini rechargeable batteries are designed to be compact and lightweight, perfect for applications where space is limited.At Ufine New Energy, we prioritize safety and sustainability in our manufacturing processes. Our Li-ion batteries and lithium packs undergo rigorous safety testing to ensure they meet international standards. We are committed to producing environmentally friendly products and complying with all relevant regulations.Choose Ufine New Energy as your trusted partner for all your Li-po cell needs. Our dedicated team is ready to provide exceptional service and support to help you succeed in your business. Partner with us and experience the reliability, performance, and quality of our products firsthand.
Specs of UFX401119 55mAh 3.7V
1、Mechanical Characteristics
Cell:
UFX401119
PCM:
Yes
NTC:
No
Weight:
appr.1.5g
Configuration
1S1P
2、Electrical Specification
Capacity:
55mAh
Nominal Voltage:
4.2V
Energy:
0.2035Wh
Internal Impedance:
less than 450mΩ
Charge Voltage:
4.2V
Discharge Cut Off:
2.75V
Max. Charge Current:
55mA
Max. Discharge Current:
55mA
Standard Charge Current:
27.5mA
Standard Discharge Current:
27.5mA
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