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Product Details
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Specs
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Capacity Fast Calculator
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Application
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Content
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FAQs
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Product Details
Discharge Rate
Long Cycle Life
Ultra-Low Self-Discharge
Wide Temperature Range
Self-discharge is higher at 100% state of charge (SOC) compared to 70% SOC.
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.
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.
Battery Specification
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1. Mechanical Characteristics
Cell 606473-2S PCM Yes NTC No Weight appr. 149g Configuration 2S1P -
2. Electrical Specification
Capacity 4000mAh Nominal Voltage 7.4V Energy 29.6Wh Internal Resistance less than 150mΩ Max. Charge Voltage 8.4V Discharge Cut Off 5.5V Max. Charge Current 4000mA Max. Discharge Current 4000mA Standard Charge Current 800mA Standard Discharge Current 4000mA 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 2.4V ±100mV (40 to 120msec. delay, release 3.0V ±100mV) Overcurrent Detection 2.5A to 4.5A (5 to 10msec. delay) Short protection Yes
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.
7.4 V 4000mAh 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.
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.
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.
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.
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.
The Complete Guide For 7.4 V 4000mAh Lithium Ion Battery
A 7.4 V 4000mAh 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 4000mAh 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 4000mAh, 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 4000mAh Lithium-ion Battery.
Part 5. Buying Guide and Recommendations
For reliable and customized solutions, consider sourcing your 4000mAh 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
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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.
Reviews
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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