China Li-ion Battery Manufacturer Professional Customized Hand Warmer Rechargeable Lipo Battery UFX
UFX 18650-2P 4400mAh 3.7V- New EnergyModel: 18650-2P
Capacity: 4400mAh
Nominal Voltage:3.7V
Max. Charge Voltage:4.2V
18650-2P 4400mAh 3.7V battery, specifically designed for professional customized hand warmers. Our rechargeable lithium-polymer battery
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 professional Chinese manufacturer of lithium-ion batteries. We specialize in producing high-quality rechargeable batteries for various applications. One of our popular products is the UFX 18650-2P 4400mAh 3.7V battery, specifically designed for professional customized hand warmers.
Our rechargeable lithium-polymer battery pack is widely used in various industries. We prioritize the safety and performance of our batteries, ensuring that they meet international standards and certifications. From the design stage to the production process, we adhere to strict quality control measures to deliver reliable and durable battery solutions.
At New Energy, we understand the importance of delivering reliable and efficient power solutions. Our lithium battery 3.7V and lithium-ionrechargeable batteries provide long-lasting performance, making them ideal for a wide range of applications. Whether it's for consumer electronics, medical devices, or industrial equipment, our batteries are designed to meet diverse power requirements.
With years of experience in the industry, New Energy is committed to providing exceptional products and services to our customers. We strive for continuous improvement and innovation, ensuring that our customers receive the most advanced and reliable battery solutions. Choose New Energy for your lithium-ion battery needs.
Specs of UFX18650-2P 4400mAh 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 inquiries and provide solutions
| 1. Mechanical Characteristics | |||
| Cell: | UFX18650-2P | PCM: | Yes |
| NTC: | No | Weight: | appr.85g |
| Configuration | 1S2P | ||
| 2. Electrical Specification |
|||
| Capacity: | 4400mAh | Nominal Voltage: | 3.7V |
| Energy: | 16.28Wh | Internal Impedance: | less than 100mΩ |
| Charge Voltage: |
4.2V | Discharge Cut Off: |
2.75V |
| Max. Charge Current:< br /> | 2200mA | Max. Discharge Current:< br /> | 2200mA |
| Standard Charge Current: | 880mA | Standard Discharge Current: |
880mA |
| 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% | ||
| 1month 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: |
|
| 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 inquiries and provide solutions