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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 Capacity Testing

Before shipment, rigorous testing is conducted on each lithium battery to validate voltage, current, charging, and discharging parameters, ensuring compliance with standard operational levels.


Environmental Considerations

Utilizing top-tier A-grade battery cells ensures leak-proof and eco-friendly operations, aligning with environmentally conscious practices for sustainable battery technology.


The battery is designed for use in various applications, including but not limited to electric vehicles (EVs), power tools, unmanned aerial vehicles (UAVs), emergency backup systems, and industrial machinery.


E Cigarette


Breast Pump


RC Plane



Battery Specification

  • 1. Mechanical Characteristics

    Cell 433232-3C PCM Yes
    NTC No Weight appr. 7.5g
    Configuration 1S1P
  • 2. Electrical Specification

    Capacity 350mAh Nominal Voltage 3.7V
    Energy 1.295Wh Internal Resistance less than 200mΩ
    Max. Charge Voltage 4.2V Discharge Cut Off 2.75V
    Max. Charge Current 350mA Max. Discharge Current 1050mA
    Standard Charge Current 175mA Standard Discharge Current 175mA
    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 2.3V ±50mV (60 to 200msec. delay, release 2.3V ±100mV)
    Overcurrent Detection 2.5A to 4.5A (5 to 10msec. delay) Short protection Yes
Download Product Datasheet

Lipo Battery Cell Capacity Fast Calculator

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3.7 V 350mAh 3C High Rate Discharge Battery Application

High Rate Discharge Battery For E Cigarette

Leveraging the inherent traits of lithium batteries, they offer a small yet powerful solution for E-cigarettes, ensuring prolonged usage within a delicate and compact design. With their high energy density and intricately engineered build, these batteries provide reliable and enduring performance, enhancing the overall vaping experience.


High Rate Discharge Battery For Breast Pump

Our lithium batteries for breast pumps offer extended usage with high energy density, catering to essential nursing needs. Reliable low-temperature resistance ensures consistent performance, supporting nursing mothers in various environments. Designed to fit seamlessly, these batteries integrate effortlessly into breast pump systems, ensuring reliable and efficient power delivery.


High Rate Discharge Battery For RC Plane

Engineered for RC planes, our lithium batteries guarantee high energy density, delivering sustained power for extended flight times. Their lightweight yet durable build enhances performance and endurance during aerial maneuvers. Moreover, their adaptable designs effortlessly fit into diverse RC plane models, ensuring reliable and enduring power for exhilarating flights.


High Rate Discharge Battery For Screwdriver

Specifically designed for screwdrivers, our lithium batteries provide high energy density, ensuring extended usage for a wide range of tasks. Their robustness allows for reliable performance during continuous use and frequent recharging. With adaptable shapes to fit various screwdriver models, these batteries offer reliable and customizable power solutions for diverse screwdriving needs.


The Complete Guide For 3.7 V 350mAh 3C High Rate Discharge Battery

A 3.7 V 350mAh high-rate discharge 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 350mAh 3.7 V high rate discharge battery offers high-energy output in a compact size, ideal for applications requiring rapid energy discharge. It finds extensive use in electric vehicles, power tools, drones, emergency backup systems, and various industrial machinery due to its ability to deliver swift and sustained power.

Part 2. Technical Specifications

Featuring a 350mAh capacity and a 3.7 V output, this battery exhibits a high power density, enabling efficient energy discharge for demanding applications. Its compact design and discharge rates ensure compatibility with devices needing quick bursts of power.

Part 3. Safety and Handling

Safety measures are paramount in handling this battery. Following recommended storage temperatures, proper installation, and usage guidelines are crucial to mitigate potential risks associated with high-rate discharge batteries, ensuring safe operation.

Part 4. Maintenance and Longevity

Adhering to recommended charging cycles and storage conditions maximizes the battery's lifespan. Routine checks for physical damage and following maintenance guidelines sustain its longevity in high-rate discharge applications.

Part 5. Buying Guide and Recommendations

For reliable and customized solutions, consider sourcing your 350mAh 3.7 V high-rate discharge batteries from Ufine custom battery. Our commitment to quality assurance and tailored battery solutions ensures dependable performance for your specific needs.


  • What defines a high rate discharge battery, and how is it beneficial for industrial applications?

    High rate discharge batteries offer rapid energy release, making them ideal for applications requiring bursts of high power, like electric vehicles or backup systems.
  • Can high rate discharge batteries handle continuous charge and discharge cycles without significant degradation?

    Yes, these batteries are engineered for frequent charge and discharge cycles while maintaining stable performance, although extreme usage can affect long-term longevity.
  • What safety mechanisms are integrated into high rate discharge batteries to prevent overheating during rapid discharges?

    Advanced thermal management and safety features are included to regulate temperature and prevent overheating during rapid discharges, ensuring safe operation.
  • 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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