Ufine Product Features
High energy density
Long cycle life
Capability of discharge at ultra-low temperature of -40℃
Ability to be designed for high voltage (up to 4.4V)
Customizable sample and mass production according to customer needs.
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1、Mechanical Characteristics |
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Cell: |
UFX502050 |
PCM: |
Yes |
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NTC: |
No |
Weight: |
appr. 10g |
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Configuration: |
1S1P |
Demension |
Max 5*20*52mm |
| 2、Electrical Specification | |||
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Capacity: |
500mAh |
Nominal Voltage: |
3.7V |
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Energy: |
4.44Wh |
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: |
500mA |
Max. Discharge Current: |
500mA |
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Standard Charge Current: |
250mA |
Standard Discharge Current: |
250mA |
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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 ±50mV (50 to 200msec delay, release 4.08V ±50mV) |
Overdischarge Detection： |
2.4V ±100mV (20 to 100msec. delay, release 3.0V ±100mV) |
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Overcurrent Detection： |
2.5A to 4.0A (8 to 16msec. delay) |
Short protection： |
Yes |
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4、Cycle life Characteristics |
5、Discharge Characteristics |
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Product Details
Ufine is a manufacturer with independent research and development and production of polymer lithium-ion batteries. With years of experience in the field of polymer lithium-ion battery solutions, We have accumulated rich technical experience. Currently, the company offers more than 300 different product models, all certified with KC, UL, CB, and other certifications.Moreover, We can quickly design and develop new products according to customer needs and arrange sample testing.
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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.
Product Details
Ufine is a manufacturer with independent research and development and production of polymer lithium-ion batteries. With years of experience in the field of polymer lithium-ion battery solutions, We have accumulated rich technical experience. Currently, the company offers more than 300 different product models, all certified with KC, UL, CB, and other certifications.Moreover, We can quickly design and develop new products according to customer needs and arrange sample testing.
1Ufine Product Features
High energy density
Long cycle life
Capability of discharge at ultra-low temperature of -40℃
Ability to be designed for high voltage (up to 4.4V)
Customizable sample and mass production according to customer needs.
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UFX502050 500mAh 3.7V |
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Capacity |
500mAh |
Nominal Voltage |
3.7V |
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Charging Voltage |
4.2V |
Size |
5*20*52mm（mAX) |
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Charging Current |
Typically 0.2C to 1C |
Discharging Current |
Typically 0.2C to 1C |
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Charging Temperature |
0°C to 45°C |
Discharging Temperature |
-20°C to 60°C |
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Storage Temperature |
-20°C to 45°C |
Cycle Life |
Typically 500 to 800 cycles |
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Internal Resistance |
less than 180mΩ |
Weight |
Typically 10g |
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Certification |
MSDS |
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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.
