Ufine New Energy is a professional lithium battery manufacturer in China.
Our lithium ion batteries are widely used in power tools, electric vehicles, energy storage, medical devices, drones, smart wearables and other fields. We have a complete set of production equipment and advanced testing equipment to ensure product quality and safety.
Our lithium ion batteries have the advantages of high energy density, long cycle life, low self-discharge, high rate discharge, low internal resistance, etc. We can customize battery specifications according to customer needs, including voltage, capacity, size, etc.
We have obtained ISO9001 quality management system certification and UL certification. Our products have been exported to Europe, North America, Southeast Asia and other regions. We aim to become the most trusted lithium battery supplier in the global market.
We sincerely welcome new and old customers to cooperate with us. Ufine New Energy will provide you with high-quality, reliable and customized lithium battery solutions.
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1、Mechanical Characteristics |
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Cell: |
UFX4050160 |
PCM: |
Yes |
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NTC: |
No |
Weight: |
appr. 74.3g |
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Configuration: |
1S1P |
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| 2、Electrical Specification | |||
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Capacity: |
4000mAh |
Nominal Voltage: |
3.7V |
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Energy: |
14.8Wh |
Internal Impedance： |
less than 180mΩ |
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Max. Charge Voltage: |
4.2V |
Discharge Cut Off: |
2.75V |
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Max. Charge Current: |
4000mA |
Max. Discharge Current: |
4000mA |
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Standard Charge Current: |
2000mA |
Standard Discharge Current: |
2000mA |
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Charge Temp. Range: |
10°C to 45°C |
Discharge Temp. Range |
-20°C to 60°C |
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Storage Temp. Range |
1 year at -20℃ to +30℃ |
Cycle life: |
100 cycles ≥92% |
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3 moths at -20℃ to +45℃ |
300 cycles ≥88% | ||
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1 month at -20℃ to +60℃ |
500 cycles ≥80% |
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3、Cell protection |
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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) |
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Overcurrent Detection： |
2.5A to 4.0A (9 to 15msec. delay) |
Short protection： |
Yes |
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4、Discharge Rate Characteristics |
4、Cycle life Characteristics |
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Product Details
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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.
