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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

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Lithium batteries exhibit varying discharge rates. Ufine's batteries support a maximum discharge rate of 5.0C,delivering high power output in short durations.
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Ufine's lithium battery maintains over 80% capacity after 500 cycles at room temperature,utilizing 0.5C charge and discharge conditions.
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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.
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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. 

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Sustainable Manufacturing

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

Applications

The battery is designed for use in various applications, including but not limited to drones, RC vehicles, portable lighting, and medical equipment, showcasing its versatility.

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Laptop

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Remote Control

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Medical

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Makeup Mirror

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Glucose Meter


Battery Specification

  • 1. Mechanical Characteristics

    Cell 502248-2S PCM Yes
    NTC No Weight appr. 20g
    Configuration 2S1P
  • 2. Electrical Specification

    Capacity 500mAh Nominal Voltage 7.4V
    Energy 3.7Wh Internal Resistance less than 240mΩ
    Max. Charge Voltage 8.4V Discharge Cut Off 5.5V
    Max. Charge Current 500mA Max. Discharge Current 500mA
    Standard Charge Current 100mA Standard Discharge Current 100mA
    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 ±25mV (700 to 1300msec delay, release 4.2V ±50mV) Overdischarge Detection 2.4V ±100mV (40 to 120msec. delay, release 3.0V ±100mV)
    Overcurrent Detection 3A to 6A (5 to 15msec. delay) Short protection Yes
Download Product Datasheet

Lipo Battery Cell Capacity Fast Calculator

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7.4 V 500mAh Lithium Ion Battery Pack Application

Lithium Polymer Battery For Laptop

Our lithium laptop batteries boast high energy density, providing extended usage on a single charge while maintaining a compact form factor for portability. Additionally, they exhibit low self-discharge rates, ensuring your laptop remains ready for use even after prolonged periods of inactivity.

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Lithium Polymer Battery For Remote Control

Our lithium batteries for remote controls provide extended longevity due to their high energy density, reducing the frequency of replacements. With low self-discharge rates, these batteries maintain power even during extended periods of remote inactivity.

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Lithium Polymer Battery For Medical

Engineered for medical devices, our lithium batteries prioritize high energy density and reliable performance, ensuring sustained power in critical healthcare equipment. With exceptional low-temperature resistance, these batteries guarantee consistent functionality in varied healthcare settings. Their versatile designs seamlessly adapt to diverse medical device configurations, providing dependable power solutions.

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Lithium Polymer Battery For Makeup Mirror

Engineered for makeup mirrors, our lithium batteries ensure long-lasting power with their high energy density, perfect for daily beauty routines. Their stable and dependable performance supports uninterrupted use, ensuring flawless beauty regimens. Moreover, these batteries' versatile shapes effortlessly accommodate various mirror designs, providing reliable and enduring power for consistent usage.

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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.

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The Complete Guide For 7.4 V 500mAh Lithium Ion Battery

A 7.4 V 500mAh 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 7.4 V 500mAh lithium-ion battery offers a balance between voltage and capacity, ideal for compact devices requiring a moderate power supply. Its advantage lies in its compatibility with various applications, such as powering small drones, wireless cameras, portable medical devices, or handheld electronic gadgets, ensuring efficient power support.

Part 2. Technical Specifications

Featuring a voltage output of 7.4 V and a capacity of 500mAh, our battery efficiently stores and delivers power. The moderate voltage and capacity make it suitable for devices where space and power requirements must align, such as remote-controlled devices, small-scale robotics, or handheld gaming consoles.

Part 3. Safety and Handling

Our battery includes protections against overcharging, over-discharging, and short circuits, ensuring safe and reliable operation. Proper handling, including avoiding extreme temperatures and physical damage, is crucial for user safety and the battery's longevity.

Part 4. Maintenance and Longevity

Adhering to recommended charge-discharge cycles, avoiding complete discharges, and conducting periodic checks for physical damage are crucial practices. Regular firmware updates optimize efficiency, ensuring extended longevity for the 7.4 V 500mAh Lithium-ion Battery.

Part 5. Buying Guide and Recommendations

For reliable and customized solutions, consider sourcing your 500mAh 7.4 V lithium-ion batteries from Ufine custom battery. Our commitment to quality assurance and tailored battery solutions ensures dependable performance for your specific needs.

FAQs

  • 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

Safety

Minimizes the risk of accidents and ensures safe operation

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