China Lithium Ion Cells Factory Professional Customized Hand Warmer Rechargeable Lipo Battery UFX 50
UFX 502049 500mAh 3.7V-15 Years Exporting ExperienceModel: 502049
Capacity:500mAh
Nominal Voltage:3.7V
Max. Charge Voltage:4.2V
502049 500mAh 3.7V lithium-ion cell, which is widely used in hand warmers, power banks, and other portable electronic devices
PARAMETER
PRODUCT DETAILS
| 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 | |||||
New Energy is a renowned lithium-ion cell factory based in China, specializing in the production of high-quality lithium-ion batteries. With over 15 years of experience in the industry, we have earned a reputation for delivering professional and customized solutions to our clients.
As a leading manufacturer, we pride ourselves on our ability to cater to various industries and applications. Our extensive product range includes the UFX 502049 500mAh 3.7V lithium-ion cell, which is widely used in hand warmers, power banks, and other portable electronic devices. We also offer curved Li-ion polymer batteries, which are perfect for wearable technology, IoT devices, and other curved applications.
At New Energy, quality is our top priority. We have obtained ISO 9001 certification, ensuring that our manufacturing processes meet international standards. Each battery undergoes rigorous ttesting and quality control measures to guarantee optimal performance, reliability, and safety.
As an environmentally conscious manufacturer, we recognize the importance of sustainable development. Our lithium-ion batteries are designed to be energy-efficient and eco-friendly, contributing to the reduction of carbon emissions. We are committed to continuously improving our manufacturing methods and adopting greener practices to minimize our ecological footprint.
With our strong dedication to product excellence, professionalism, and sustainable practices, New Energy has earned the trust and satisfaction of clients worldwide. We strive to provide exceptional service, competitive pricing, and prompt delivery to meet the diverse needs of our customers.
Choose New Energy as your lithium-ion cell supplier, and experience the difference of working with a reputable and reliableChinese manufacturer. Contact us today to discuss your battery requirements and discover how we can assist you in achieving your goals.
Specs of UFX502049 500mAh 3.7V
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 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 guaranteed 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 inquiriesand provide solutions
| 1. Mechanical Characteristics | |||
| Cell: | UFX502049 | PCM: | Yes |
| NTC: | No | Weight: | appr.11g |
| Configuration | 1S1P | ||
| 2. Electrical Specification |
|||
| Capacity: | 500mAh | Nominal Voltage: | 3.7V |
| Energy: | 1.85Wh | Internal Impedance: | less than 180mΩ |
| Charge Voltage: |
4.2V | Discharge Cut Off: |
2.75V |
| Max. Charge Current: |
500mA | Max. Discharge Current:< br /> | 500mA |
| Standard Charge Current: | 250mA | Standard Discharge Current: |
250mA |
| 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 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 guaranteed 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 inquiriesand provide solutions