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Product Details

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    Discharge Rate
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    Long Cycle Life
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    Ultra-Low Self-Discharge
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    Wide Temperature Range

Lithium batteries exhibit varying discharge rates. Ufine's batteries support a maximum discharge rate of 5.0C,delivering high power output in short durations.
Ufine's lithium battery maintains over 80% capacity after 500 cycles at room temperature,utilizing 0.5C charge and discharge conditions.
Batteries exhibit differential self-discharge rates at 100% and 70% charge states.
Self-discharge is higher at 100% state of charge (SOC) compared to 70% SOC.
Lithium batteries operate within the -20°C to 60°C discharge temperature range.
Ufine's custom low-temperature batteries can be used for -40°C to 55°C operation, catering to diverse outdoor scenarios.

Thorough Capacity Testing

Each Ultra-Thin Battery undergoes meticulous capacity testing before shipment, validating normal parameters encompassing voltage, current, charging, and discharging data for consistent performance.


Environmental Consciousness

Utilizes premium A-grade battery cells, ensuring leak-proof and environmentally friendly operations, aligning with sustainable practices.


The battery is designed for use in various applications, including but not limited to wireless earbuds and headphones, smart cards and payment devices, slim power banks, thin remote controls, fashion, and wearable acc.



Battery Specification

  • 1. Mechanical Characteristics

    Cell 013945 PCM No
    NTC No Weight appr. 1.98g
    Configuration 1S1P
  • 2. Electrical Specification

    Capacity 110mAh Nominal Voltage 3.7V
    Energy 0.407Wh Internal Resistance less than 280mΩ
    Max. Charge Voltage 4.2V Discharge Cut Off 2.75V
    Max. Charge Current 110mA Max. Discharge Current 110mA
    Standard Charge Current 22mA Standard Discharge Current 110mA
    Charging Temperature 0℃ to 45℃ Discharging Temperature -20℃ to 60℃
    Storage Temp.Range 1 year at -20℃ to +30℃ 3 mos. at -20℃ to +45℃ 1 mo. at -20℃ to +60℃ Cycle life 100 cycles ≥92% 300 cycles ≥88% 500 cycles ≥80%
  • 3. Cell protection

    Overcharge Detection No Overdischarge Detection No
    Overcurrent Detection No Short protection No
Download Product Datasheet

Lipo Battery Cell Capacity Fast Calculator

Please enter your battery information to calculate the battery capacity and energy.

The capacity calculated by this tool is only an approximate value. If you need an accurate assessment, please contact our professional engineers.

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3.7 V 110mAh Ultra Thin Lithium Battery Application

Ultra Thin Battery For Tracker

Designed specifically for tracking devices, our ultra-thin batteries are crafted to maintain a sleek and compact profile. Engineered with precision, these batteries offer exceptional thinness without compromising on performance. With a focus on energy efficiency, they ensure a reliable power source for your tracker, guaranteeing uninterrupted functionality and peace of mind.


The Complete Guide For 110mAh 3.7 V Ultra Thin Battery

A 3.7 V 110mAh ultra-thin battery serves as a crucial power source for various electronic devices. This guide delves into its components, functionalities, and best practices for optimal use.

Part 1. Advantages and Applications

The 110mAh 3.7 V ultra-thin battery is lauded for its diminutive size, fitting seamlessly into devices with space limitations such as smart cards, miniature sensors, and wearable tech. Its ultra-thin form enables diverse applications, offering power solutions for compact electronics where size matters most.

Part 2. Technical Specifications

Our ultra-thin battery boasts a 110mAh capacity and a 3.7 V output, offering compact yet efficient power. Its diminutive size ensures compatibility with space-constrained gadgets while maintaining stable discharge rates.

Part 3. Safety and Handling

Safety considerations are pivotal for this small-sized battery. Adhering to recommended storage temperatures and handling with care prevents overheating risks, ensuring the safe utilization of compact devices without compromising safety.

Part 4. Maintenance and Longevity

Optimizing the battery's lifespan requires adhering to suggested charging cycles and avoiding extreme temperature fluctuations. Proper maintenance, including periodic checks for physical damage, sustains the battery's longevity in ultra-thin devices.

Part 5. Buying Guide and Recommendations

For reliable and customized solutions, consider sourcing your 110mAh 3.7 V ultra-thin li-ion batteries from ufine custom battery. Our commitment to quality assurance and tailored battery solutions ensures dependable performance for your specific needs.


  • What are the key advantages of ultra thin batteries in applicationultra thin batteriess with space constraints?

    Ultra thin batteries offer a slim profile, making them ideal for applications with limited space while maintaining reliable performance.
  • How does the energy density of ultra thin batteries compare to standard battery designs?

    Despite their slim profile, ultra thin batteries maintain competitive energy density, ensuring efficient power delivery.
  • Are there any considerations for the mechanical durability of ultra thin batteries in flexible or bendable applications?

    Ultra thin batteries are designed with mechanical durability in mind, making them suitable for flexible and bendable applications without compromising performance.
  • How long does it take to fully charge a lithium battery?

    Charging time depends on the battery's capacity and the charger's current. For example, if the battery capacity is 4000mAh and the charger current is 2500mA, charging time = 4000mAh / 2500mA = 1.6 hours.
  • How long do lithium batteries last?

    Our lithium battery cycle life is more than 500 times. The lifespan of a lithium battery depends on various factors, such as usage patterns, charging and discharging conditions, and overall maintenance.
  • Can lithium batteries be customized for specific applications?

    Yes, lithium batteries can be customized to meet specific requirements. This includes customizing the battery capacity, voltage, size, shape, and other parameters to suit the application's needs. Capacity: 20mAh~12000mAh, Voltage: 3.2 V~48 V.


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High Energy Density

It stores large amounts of energy in a smaller and lighter package

Longer Cycle Life

Withstands extensive charge and discharge cycles

Low Self-Discharge

Maintains power longer when not in use


Minimizes the risk of accidents and ensures safe operation

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