China Lithium-ion Cell Factory Wholesale Rechargeable Battery for Mini-speaker UFX 371119 40mAh 3.7V
UFX 371119 40mAh 3.7V-Lithium Polymer Cell SolutionModel: 371119
Capacity: 40mAh
Nominal Voltage:3.7V
Max. Charge Voltage:4.2V
371119 40mAh 3.7V series batteries are specifically designed for mini-speakers, offering reliable and long-lasting power.
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 leading lithium-ion cell factory in China, specializing in the production of high-quality rechargeable batteries. Our UFX 371119 40mAh 3.7V series batteries are specifically designed for mini -speakers, offering reliable and long-lasting power.
As a lithium polymer cell manufacturer, we provide customizable solutions to meet the unique requirements of our clients. Our lithium-ion polymer battery pack is versatile and can be tailored to various applications, ensuring optimal performance and safety.
At New Energy, we prioritize quality control throughout the manufacturing process. Our state-of-the-art facilities and advanced production technologies enable us to create batteries that meet international standards. Stringent quality checks are conducted at every stage, from raw material inspection to final product testing, ensuring consistent and reliable performancermance.
We understand the importance of customer satisfaction and are committed to providing excellent customer service. Our knowledgeable and responsive team is available to offer technical support, answer inquiries, and provide guidance throughout the entire order process. We strive to exceed customer expectations by delivering high-quality products, timely delivery, and comprehensive after-sales support.
Whether you need wholesale rechargeable batteries or a tailored lithium polymer cell solution, New Energy is your trusted partner. Contact us today to discuss your specific requirements and discover how our innovative battery solutions can enhance your products.
Specs of UFX371119 40mAh 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: | UFX371119 | PCM: | Yes |
| NTC: | No | Weight: | appr.2.7g |
| Configuration | 1S1P | ||
| 2. Electrical Specification |
|||
| Capacity: | 40mAh | Nominal Voltage: | 3.7V |
| Energy: | 0.148Wh | Internal Impedance: | less than 600mΩ |
| Charge Voltage: |
4.2V | Discharge Cut Off: |
2.75V |
| Max. Charge Current:< br /> | 40mA | Max. Discharge Current:< br /> | 40mA |
| Standard Charge Current: | 20mA | Standard Discharge Current: |
20mA |
| 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 inquiries and provide solutions