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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.

Battery Power Check

Before shipment, each lithium battery undergoes comprehensive testing to verify its voltage, current, and charging and discharging parameters, ensuring compliance with standard operational levels for reliable functionality.


Sustainable Manufacturing

Employing A-grade battery cells, these leak-proof batteries maintain an eco-friendly design, prioritizing environmental sustainability in their production and usage.


The battery is designed for use in various applications, including but not limited to high-performance drones, RC aircraft, professional-grade cameras, and medical equipment.


Glucose Meter


Digital Thermometer


Pulse Oximeter


Blood Pressure Monitor



Battery Specification

  • 1. Mechanical Characteristics

    Cell 105080-3S PCM Yes
    NTC No Weight appr. 280g
    Configuration 3S1P
  • 2. Electrical Specification

    Capacity 5000mAh Nominal Voltage 11.1V
    Energy 55.5Wh Internal Resistance less than 160mΩ
    Max. Charge Voltage 12.6V Discharge Cut Off 8.25V
    Max. Charge Current 5000mA Max. Discharge Current 5000mA
    Standard Charge Current 1000mA Standard Discharge Current 5000mA
    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 4.28V ±50mV (80 to 200msec delay, release 4.08V ±50mV) Overdischarge Detection 2.7V ±80mV (50to 150msec. delay, release 3.0V ±100mV)
    Overcurrent Detection 2.5A to 4.5A (5 to 10msec. delay) Short protection Yes
Download Product Datasheet

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11.1V 5000mAh Lithium Ion Battery Application

Lithium Polymer Battery For Glucose Meter

Our lithium batteries for glucose meters excel in high energy density, ensuring prolonged and consistent power for accurate readings. Their exceptional low-temperature resistance guarantees reliable performance in various environmental conditions, crucial for uninterrupted usage in healthcare settings. With customizable shapes, these batteries seamlessly integrate into different glucose meter designs, providing reliable and customizable power solutions for diabetic patients.


Lithium Polymer Battery For Digital Thermometer

Specifically designed for digital thermometers, our lithium batteries offer high energy density, ensuring prolonged and consistent power for accurate temperature readings. Their robustness and adaptability in shape enable effortless integration into diverse thermometer models, providing reliable and unobtrusive power solutions. Additionally, their reliability in varied temperature conditions ensures uninterrupted performance, crucial for precise healthcare monitoring.


Lithium Polymer Battery For Pulse Oximeter

Tailored for pulse oximeters, our lithium batteries offer high energy density, ensuring prolonged and consistent power for accurate readings. Their adaptable shapes facilitate easy integration into various pulse oximeter designs, ensuring reliable and enduring power solutions. Moreover, their exceptional temperature resistance guarantees consistent performance, crucial for accurate health monitoring in different environmental conditions.


Lithium Polymer Battery For Blood Pressure Monitor

Our lithium batteries are designed to power blood pressure monitors, ensuring consistent and lasting energy for accurate readings. With exceptional resilience in varying temperatures, these batteries provide reliability even in demanding healthcare environments, ensuring uninterrupted monitoring vital for patient care. Their adaptable shapes seamlessly integrate into different monitor models, offering healthcare professionals reliable and customized power solutions.


Lithium Polymer Battery For ECG

Tailored for ECG machines, our lithium batteries offer high energy density, providing enduring power for precise heart readings. Their durability and adaptability in shape ensure effortless integration into diverse ECG devices, maintaining reliable power for accurate diagnostics in hospitals or clinical settings. Moreover, their remarkable temperature resistance ensures consistent performance, crucial for accurate and reliable heart monitoring in any environment.


The Complete Guide For 11.1 V 5000mAh Lithium Ion Battery

An 11.1 V 5000mAh lithium-ion 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 11.1 V 5000mAh lithium-ion battery strikes a balance between voltage and capacity, making it advantageous for devices requiring moderate power in a compact form. Its versatility extends to various applications, such as powering small drones, professional photography equipment, portable medical devices, or handheld electronics, ensuring efficient power support.

Part 2. Technical Specifications

Featuring an output voltage of 11.1 V and a capacity of 5000mAh, this battery efficiently stores and delivers power. Its moderate voltage and substantial capacity make it suitable for devices where a balance between power and size is essential, such as high-performance cameras, remote-controlled devices, or small robotics.

Part 3. Safety and Handling

Safety features are integral. This battery incorporates safeguards against overcharging, over-discharging, and short circuits, ensuring safe and reliable operation. Proper handling practices, including avoiding extreme temperatures and physical damage, are crucial for user safety and maximizing the battery's lifespan.

Part 4. Maintenance and Longevity

Maintaining the battery's health is essential for sustained performance. Following recommended charge-discharge cycles, avoiding deep discharges, and conducting periodic checks for physical damage are vital practices. Regular firmware updates optimize efficiency, ensuring extended longevity for the 11.1 V 5000mAh Lithium-ion Battery.

Part 5. Buying Guide and Recommendations

For reliable and customized solutions, consider sourcing your 5000mAh 11.1 V lithium-ion batteries from Ufine custom battery. Our commitment to quality assurance and tailored battery solutions ensures dependable performance for your specific needs.


  • How does it differ from individual lithium-ion cells?

    A lithium-ion battery pack combines multiple cells to offer higher voltage and capacity than individual cells, suitable for high-power applications such as electric vehicles and military batteries.
  • What safety features are integrated into lithium-ion battery packs to ensure secure operation during charging, discharging, and storage?

    These packs include protection circuits, thermal controls, and balancing systems to ensure safety and stable operation under various conditions.
  • How are lithium-ion battery packs managed to optimize performance and longevity?

    Battery management systems within the packs monitor individual cell parameters, ensuring balanced charging and discharging to maximize performance and lifespan.
  • 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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