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Wide Temp Rechargeable Lithium-ion Cell
Wide Temp Rechargeable Lithium-ion Cell is a high-capacity battery with a nominal capacity of 50.4Ah and a nominal voltage of 3.2V. It features a low internal impedance of ≤0.4mΩ, ensuring efficient power delivery. The charging method involves constant current to a cut-off voltage, followed by constant voltage to a cut-off current. It accommodates varying temperature conditions with adaptable charging and discharging currents. The standard charge ranges from 10.0A to 50.0A depending on the temperature, while the standard discharge current ranges from 10.0A to 25.0A. For fast discharge, it can handle currents up to 50.0A. The cell maintains stable operation across a wide temperature range, with a charge operating temperature of -20℃ to 60℃ and a discharge operating temperature of -40℃ to 60℃. Moreover, it is suitable for storage in temperatures ranging from -20℃ to 35℃ for up to 6 months.
Description
General Electronics Technology Co., Ltd. is one of the leading manufacturers and suppliers of wide temp rechargeable lithium-ion cell in China. We are committed to providing high quality custom service and OEM&ODM service to global clients. Please feel free to wholesale durable lithium battery packs in stock here and get quotation from our factory.
Specification
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Items |
Specification |
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Nominal Capacity |
50.4Ah |
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Internal Impedance |
≤0.4mΩ |
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Nominal Voltage |
3.2V |
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Charging Cut-off Voltage |
3.65V |
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Charging Method |
Charge with constant current to cut-off voltage, then with constant voltage to cut-off current. |
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Charging Current |
Standard Charge |
＞10℃ |
25.0A (0.5 C5A) |
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﹣20℃～10℃ |
10.0A (0.2 C5A) |
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Max. Charge |
10～45℃ |
50.0A (1.0 C5A) |
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-10～10℃ |
≤16.5A (0.33 C5A) |
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Discharge Current |
Standard Discharge Curren |
﹣20℃～60℃ |
25.0A (0.5 C5A) |
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＜-20℃ |
10.0A (0.2 C5A) |
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Fast discharge current |
﹣20℃～60℃ |
50.0A (1.0 C5A) |
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Discharge Cut-off Voltage |
2.0 V |
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Operating Temperatur |
Charge |
-20℃ ~ 60℃ |
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Discharge |
-40℃ ~ 60℃ |
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Storage Temperature |
1 month |
-20℃ ~ 35℃ |
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3 months |
-20℃ ~ 25℃ |
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6 months |
-20℃ ~ 25℃ |
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Weight |
About 1003.0g |
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Voltage |
3.0 V～3.3 V |
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Features：
- Long-Term Storage Flexibility: Suitable for storage over extended periods at varying temperatures, offering versatility for long-term energy solutions.
- High Capacity: The lithium-ion cell boasts a substantial nominal capacity of 50.4Ah, ensuring prolonged usage and extended power supply.
- Low Internal Impedance: With an internal impedance of ≤0.4mΩ, it promotes efficient energy transfer, reducing heat generation and preserving energy during discharge.
- Adaptable Charging & Discharging Currents: The cell accommodates a wide range of charging and discharging currents, adjusting according to temperature variations, ensuring reliability across diverse environmental conditions.
- Temperature Resilience: Designed for operational stability across extreme temperatures, with a charge operating range of -20℃ to 60℃ and a discharge range of -40℃ to 60℃, making it suitable for demanding environments.
- Versatile Voltage Range: Operating between 3.0V to 3.3V, the cell maintains consistent energy output, offering flexibility for various electronic applications.
- Robust Construction: Built to withstand the rigors of demanding environments while remaining lightweight, weighing approximately 1003.0g, thus ideal for portable and stationary power solutions.
- Efficient Charging Method: Utilizing a two-stage charging method - constant current up to cut-off voltage, followed by constant voltage up to cut-off current - ensuring optimal charging efficiency and battery lifespan.
Application Fields：
- Electric Vehicles: This battery can be used for electric cars, buses, and bikes, providing a high nominal capacity and adaptable charging and discharging currents suitable for varied temperature conditions.
- Renewable Energy Storage Systems: Ideal for storing energy from solar panels and wind turbines, the high capacity and efficient charging method make it suitable for renewable energy storage systems.
- Telecommunications Infrastructure: Due to its reliable power and operating temperature range, this battery can be used in telecommunication base stations for ensuring uninterrupted communication services.
- Industrial Equipment: The adaptable charging and discharging currents, robust construction, and versatile voltage range make this battery suitable for providing consistent power to heavy-duty industrial machinery and equipment.
- Aerospace Applications: With its lightweight design, adaptable temperature range, and high capacity, this battery can be used in aerospace applications such as satellites, spacecraft, and other aerospace technologies.
- Off-Grid Power Systems: The long-term storage flexibility and versatile voltage range make this battery suitable for off-grid power systems, remote monitoring stations, weather stations, and off-grid residences.
About GEB (General Electronics Technology Co., Ltd.)
Established in 2009 and headquartered in Longhua District, Shenzhen, General Electronics Technology Co., Ltd. (GEB Battery) is a premier manufacturer specializing in lithium-ion and LiFePO4 battery pack design, engineering, and mass production. With an 8,000+ m² modernized facility, over 180 skilled technicians, and an annual sales volume exceeding USD 30 million, GEB serves B2B clients, OEMs, and fleet distributors worldwide.
Why Choose GEB Battery?
- Grade-A Cell Selection: We exclusively utilize high-grade, laser-welded cylindrical and prismatic cells with strict internal resistance and voltage matching (ΔV ≤ 3mV, ΔR ≤ 1.5mΩ).
- Intelligent BMS Protection: Custom multi-tier protection circuits prevent overcharge, overdischarge, overcurrent, and thermal runaway, supporting optional CANbus/RS485/UART protocols.
- International Certifications: Fully tested and certified under UN38.3, CE, IEC 62133, UL 2054, RoHS, and MSDS for secure global sea/air dangerous goods transit.
- End-to-End Quality Control: Strict 100% three-stage inspection (IQC, IPQC, FQC) alongside automated aging and high-rate cycling verification before shipment.
- Flexible OEM/ODM Support: Full customization from mechanical casing, wiring harness, and connectors to dedicated private labeling with rapid prototyping.
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