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Home > All Collections > Lipo Battery > Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
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Customizable Batteries For Limitless Possibilities.

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  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery

Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery

No.ufx058-11
Model: UFX 505573 Capacity:2500mAh Nominal Voltage:3.7V Max. Charge Voltage:4.2V Our UFX 505573 2500mAh 3.7V lithium-ion battery is our flagship product that has been highly praised by our customers.Our factory has a team of experienced engineers and technicians who are dedicated to designing and producing the best lithium-ion batteries.
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  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery
  • Lithium Cell Factory Professional Custom for Speaker Li-ion Battery UFX 505573 2500mAh 3.7V Rechargeable Lithium-ion Battery

  • SPECIFICATION

  • Company Profile

  • Certificate

BRAND:UFINE/UFX BATTERY
We are a professional factory specialized in producing high-quality lithium-ion batteries for various applications, including speakers, drones, and other electronic devices. Our UFX 505573 2500mAh 3.7V lithium-ion battery is our flagship product that has been highly praised by our customers.
Our factory has a team of experienced engineers and technicians who are dedicated to designing and producing the best lithium-ion batteries. We use the latest technology and machinery to ensure that our batteries meet the highest quality standards.
Our UFX Lipo Battery is a rechargeable lithium-ion battery that features high energy density, long cycle life, and excellent performance in high and low-temperature environments. It is a perfect choice for your electronic devices that require a reliable power source.
We also offer customized solutions for our customers' specific needs. Our professional team can design and produce batteries according to your requirements, ensuring that they meet your exact specifications.
At Ufine New Energy Lithium Cell Factory, we are committed to providing our customers with the best products and services. We take pride in our work and strive to exceed our customers' expectations. Contact us today to learn more about our products and services.
Specs of UFX505573 2500mAh 3.7V
1、Mechanical Characteristics
Cell: UFX505573 PCM: Yes
NTC: No Weight: appr.43g
Configuration 1S1P
2、Electrical Specification
Capacity: 2500mAh Nominal Voltage: 3.7V
Energy: 9.25Wh Internal Impedance: less than 180mΩ
Charge Voltage:
 4.2V Discharge Cut Off:
 2.75V
Max. Charge Current:
 2500mA Max. Discharge Current:
 2500mA
Standard Charge Current: 1250mA   Standard Discharge Current:
 1250mA
 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
Factory Photos


Display Of Testing Equipment
Model Nominal(V) Capacity Certificate Other Certificate Dimensions Spec Sheet
UFX102040 3.7V 750mAh KC UL1642 10*20*42mm Download
UFX102050 3.7V 1000mAh KC CB/PSE/UL1642/UN38.3/ROHS/CE 10*20*52mm Download 
UFX102055 3.7v 1100mAh KC UL1642   Download  
UFX102540 3.7V 1200mAh KC UL1642(TUV) /CE/CB/UL2054/UM38.3 10*25*42mm Download 
UFX103040 3.7V 1200mAh KC UL1642/CE/PSE/UN38.3/ROHS 10*30*40mm Download 
UFX103040-3C 3.7V 1200mAh KC UL1642/UL2054/WERCSmart/PSE/BIS 10*30*42mm Download 
UFX103048 3.7V 1400mAh KC ROHS/UN38.3/CE/UL1642 10*30*50mm Download 
UFX103450 3.7V 1800mAh KC UN38.3/PSE/ROHS/UL1642/CB 10*34*52mm Download 
UFX104050 3.7V 2300mAh KC CB/UN38.3/ROHS/UL(tuv）1642 10*40*52mm Download 
UFX104060 3.7V 2800mAh KC   10*40*62mm Download 
UFX104065 3.7V 3200mAh KC   10*40*67mm Download 
UFX105050 3.7V 3000mAh KC UL1642 10*50*52mm Download 
UFX105060 3.7V 3500mAh KC   10*50*62mm Download 
UFX105065 3.7V 4000mAh KC   10*50*67mm Download 
UFX105085 3.7V 5000mAh KC UL1642/UN38.3 10*50*87mm Download 
UFX105573 3.7V  5000mAh KC   10*55*75mm Download 
UFX124040 3.7V 2000mAh KC EN62133 12*40*42mm Download 
UFX124060 3.7V 3600mAh KC   12*40*62mm Download 
UFX252040 3.7V 170mAh KC   2.5*20*42mm Download 
UFX301525 3.7V 80mAh KC   3*15*27mm Download 
UFX303040 3.7V 320mAh KC   3*30*42mm Download 
UFX303055 3.7V 500mAh KC UN38.3/UL1642 3*30*57mm Download 
UFX373050 3.7V 550mAh KC UN38.3 3.7*30*52mm Download 
UFX401242 3.7V 100mAh KC   4*12*44mm Download 
UFX401120 3.7V 55mAh KC CB/UL1642/UN38.3 4*11*22mm Download 
UFX401230 3.7V 110mAh KC   4*12*32mm Download 
UFX401235 3.7V 120mAh KC UL1642 4*12*37mm Download 
UFX401430 3.7V 120mAh KC   4*14*32mm Download 
UFX401430 3.7V 130mAh KC   4*14*32mm Download 
UFX402065 3.7V 550mAh KC   4*20*67mm Download 
UFX402780 3.7V 1000mAh KC UL(tuv）1642/ROHS/CB 4*27*82mm Download 
UFX402895 3.7V 1200mAh KC   4*28*97mm Download 
UFX402934 3.7V 350mAh KC   4*29*36mm Download 
UFX403441 3.7V 650mAh KC   4*34*43mm Download 
UFX501447 3.7V 280mAh KC UN38.3 5*14*49mm Download 
UFX501535 3.7V 200mAh KC   5*15*37mm  
UFX502025 3.7V 200mAh KC UN38.3 5*20*27mm  
UFX502030 3.7V 300mAh KC CE/UL(tuv）1642 5*20*32mm  
UFX502535 3.7V 300mAh KC UN38.3/UL1642 5*25*37mm  
UFX502065 3.7V 600mAh KC UL1642 5*20*67mm  
UFX502248 3.7V 500mAh KC UL1642 5*22*50mm  
UFX502530 3.7V 350mAh KC   5*25*32mm  
UFX502535 3.7V 400mAh KC   5*25*37mm  
UFX502545 3.7V 600mAh KC   5*25*47mm  
UFX502728 3.7V 360mAh KC   5*27*30mm  
UFX503035 3.7V 500mAh KC   5*30*37mm  
UFX503040 3.7V 600mAh KC   5*30*42mm  
UFX503048 3.7V 750mAh KC CB/UN38.3/UL(tuv）1642/ROHS 5*30*50mm  
UFX503759 3.7V 1200mAh KC UL1642/UN38.3/CE/CB 5*37*61mm  
UFX504040 3.7V 800mAh KC   5*40*42mm  
UFX505050 3.7V 1500mAh KC   5*50*52mm  
UFX 505573 3.7V  2500 mAh  KC  UL(tuv)1642 5*55*75mm  
 UFX506090  3.7V 3000 mAh  KC UL1642  5*60*92mm  
 UFX523450  3.7V 1000 mAh  KC CB/UN38.3/ROHS/UL(tuv)1642/UL(tuv)2054  5.2*34*52mm  
 UFX552045  3.7V  450mAh KC    5.5*20*47mm  
 UFX601535  3.7V 250mAh  KC  UN38.3  6*15*37mm  
 UFX601720   3.7V 150mAh   KC   6*17*22mm  
UFX602030 3.7V 300mAh KC UL1642/UN38.3/加洲65/CE/EN62133/ICE62133 6*20*32mm  
UFX602035 3.7V 400mAh  KC UL1642/UN38.3 6*20*37mm  
UFX602040 3.7V 400mAh KC   6*20*40mm  
UFX602040 3.7V 450mAh  KC   6*20*47mm  
UFX602047 3.7V 540mAh KC   6*20*49mm  
UFX602530 3.7V 450mAh KC CE 6*25*32mm  
UFX602535 3.7V  500mAh KC IEC62133/UL(tuv)1642 6*25*37mm  
UFX603030 3.7V 500mAh KC UL1642/UN38.3 6*30*32mm  
UFX603040 3.7V 680mAh KC UL1642 6*30*42mm  
UFX603048 3.7V 900mAh KC  UL1642/UN38.3/IEC62133/CE 6*30*50mm  
UFX603450 3.7V  1200mAh KC UL1642 6*34*52mm  
UFX604050 3.7V 1500mAh KC UL1642 6*40*52mm  
UFX604060 3.7V 1700mAh  KC  UL1642 6*40*62mm  
UFX604070  3.7V 2000mAh KC   6*40*72mm  
UFX605060 3.7V 2000mAh KC CB/UN38.3 6*50*62mm  
UFX605080 3.7V 3000mAh KC  UL(tuv）1642/UN38.3 6*50*82mm  
UFX605473 3.7V 3000mAh KC   6*54*75mm  
UFX606090 3.7V 4000mAh KC UL(tuv）1642/ROHS/UN38.3 6*60*92mm  
UFX634169 3.7V 2000mAh KC   6.3*41*69mm  
UFX641447  3.7V 400mAh KC   6.4*14*47mm  
UFX651725 3.7V 230mAh KC   6.5*17*27mm  
UFX653040 3.7V 800mAh KC   6.5*30*42mm  
UFX654065    3.7V 2000mAh KC UL1642/PSE/UN38.3/CE/CB 6.5*40*67mm  
UFX686770 3.7V 4000mAh KC   6.8*67*72mm  
UFX701330 3.7V 200mAh KC ROHS/CE/UN38.3/UL(tuv）1642 70*13*32mm  
 UFX701488   3.7V 850mAh  KC    7*14*90mm  
UFX701535 3.7V 350mAh  KC UL(tuv）1642/CE/ROHS/UN38.3/IEC62133/PSE 7*15*37mm  
UFX702025 3.7V 300mAh  KC CE/加洲65/UN38.3/EN62133/UL(tuv）1642 7*20*27mm  
UFX702060 3.7V 850mAh  KC CE  7*20*62 mm  
UFX702248 3.7V 700mAh  KC IEC62133 7*22*50mm  
UFX702248 3.7V 800mAh  KC   7*22*50 mm  
UFX702257 3.7V 1000mAh  KC L(tuv）1642/UN38.3 7*22*59 mm  
UFX703048 3.7V 1000mAh  KC UL1642/CB/ROHS 7*30*50mm  
UFX703440 3.7V 1000mAh  KC   7*34*50mm  
UFX706090 3.7V 5000mAh  KC UL1642 7*60*92 mm  
UFX721944 3.7V 630mAh   KC UL(tuv)1642 7.2*19*46 mm  
UFX751635 3.7V 380mAh  KC   7.5*16*37mm  
UFX702035 3.7V 500mAh  KC   7.5*20*37 mm  
UFX753450 3.7V 1300mAh  KC UN38.3 7.5*34*52 mm  
UFX 756077 3.7V  4800mAh   KC  CB/UN38.3/UL1642 7.5*60*79 mm  
 UFX782150  3.7V  800mAh KC   7.8*21*52mm  
UFX801350  3.7V  500mAh KC UL(tuv)1642 8*13*52 mm  
UFX 801735 3.7V  500mAh KC UN38.3 8*17*37mm  
UFX802030  3.7V  400mAh KC UL1642/PSE 8*20*32mm  
UFX802035 3.7V  500mAh KC   8*20*37 mm  
UFX802040 3.7V  600mAh KC UL(tuv）1642/CE/UN38.3   8*20*42 mm  
 UFX802050 3.7V  800mAh  KC  UL(tuv)1642/CB/UN3.83/CE 8*20*52mm  
UFX802248 3.7V  1000mAh  KC    8*22*50mm  
UFX802528  3.7V 480mAh  KC UN38.3/CE/IEC62133 8*25*30mm  
UFX802528  3.7V 500mAh  KC  UL1642/PSE/CB 8*25*30mm  
UFX802530  3.7V 600mAh  KC  UL1642/UL2054/CB 8*25*32mm  
UFX802535  3.7V 700mAh  KC    8*25*37mm  
UFX803035 3.7V  800mAh  KC UL(tuv)1642 8*30*37mm  
UFX803040  3.7V  900mAh  KC   8*30*42mm  
UFX803048 3.7V  1200mAh  KC  UL(tuv)1642/CB/CE/ROHS 8*30*50mm  
UFX803448 3.7V  1300 mAh KC   8*34*50mm  
UFX803450 3.7V  1500mAh  KC  UL1642/CB/ROHS/CE/UN38.3 8*34*52mm Download
UFX804050 3.7V  1800mAh KC    8*40*50mm  
UFX804068 3.7V  2500 mAh KC  UL1642 8*40*70mm  
UFX805080 3.7V 4000mAh  KC    8*50*82mm  
UFX832248 3.7V  920mAh  KC  UL(tuv)1642/UN38.3/EN62133 8.3*22*50mm  
UFX851768 3.7V  850mAh  KC  UL(tuv)1642 8.5*17*69mm  
UFX901428 3.7V   260mAh  KC  CE/CB 9*14*30mm  
UFX901744 3.7V   680mAh  KC   9*17*46mm  
UFX902030 3.7V   500mAh  KC  UL(tuv)1642/UN38.3/CE 9*20*32mm  
UFX902035  3.7V   600mAh KC    9*20*37mm  
UFX902248  3.7V   1050mAh  KC UN38.3/CE/IEC62133 9*22*50mm  
UFX902535 3.7V  800mAh  KC  UL1642 9*25*37mm  
UFX903450 3.7V 1600mAh  KC    9*34*52mm  
UFX951768  3.7V 1200mAh  KC UL(tuv)1642/UN38.3 9.5*17*69mm  
UFX955565 3.7V  5000mAh KC UL(tuv)1642/UN38.3 9.5*55*67mm  
UFX3060100 3.7V  2000mAh KC  UN38.3/EN62133/GB31241/UL(tuv)1642 3*60*100mm  
UFX4027110 3.7V  1000mAh KC CB 4*27*102mm  
UFX6080130  3.7V   8000mAh KC  CB/UL1642/PSE 6*80*132mm  
UFX9559104 3.8V   8000mAh KC UN38.3/ROHS/UL1642/GB31241报告/EN62133/CB/BIS 9.5*59*106mm  
UFX162027-2P 3.7V   700mAh  KC  ROHS 16*20*29mm  
UFX502025-4P 3.7V   800mAh  KC    21*20*27mm  
UFX604040-2S 7.4V   1000mAh  KC    13*40*43mm  
UFX102050-2S  7.4V   1000mAh  KC    20*20*53mm  
UFX104050-2S 7.4V   2500mAh KC    20*40*52mm  
UFX124060-2S 7.4V  1700mAh  KC     12*40*63mm  
UFX503450-2S 7.4V  1000mAh  KC   CB/ROHS 10*34*52mm  
UFX603030-2S 7.4V 500mAh KC CB 12*30*32mm  
UFX603450-2S 7.4V  1200mAh  KC   CB/UN38.3 12*34*52mm  
UFX702257-2S 7.4V  1000mAh  KC   CB/UN38.3 14*22*59mm  
UFX804068-2S 7.4V 2500mAh  KC   CB 16*40*70mm  
UFX6067101-3S 11.1V  5800 mAh KC   CB/UN38.3/ROHS 18*67*103mm  
UFX18650-2S2P 7.4V  5200mAh  KC       
UFX18650-3S 11.1V  2600mAh  KC CB/UN38.3

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