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21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance

    Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
     
    Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers
    • Buy cheap 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance from wholesalers

    21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance

    Ask Lasest Price
    Brand Name : OiD
    Model Number : JH21700-5000
    Certification : Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
    Price : $0.6 ~ $1.5
    Payment Terms : L/C,T/T,Western Union
    Supply Ability : 100000
    Delivery Time : 3 ~ 30 days
    • Product Details
    • Company Profile

    21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance

    Product Name: 21700 5000mAh High-Rate Lithium-Ion Rechargeable Cell

    Key Features:

    • High-capacity 5000mAh energy storage
    • Superior discharge performance supporting up to 40A continuous current
    • Excellent cycle life with ≥70% capacity retention after 500 cycles
    • Wide operating temperature range (-20°C to 60°C)
    • Robust safety characteristics meeting international standards

    Electrical Specifications:

    ParameterSpecification Details
    Nominal Capacity5000mAh
    Minimum Capacity4900mAh
    Nominal Voltage3.6V
    Charge Cut-off Voltage4.20V
    Discharge Cut-off Voltage2.5V
    Internal Resistance≤7mΩ (AC Impedance, 1000Hz)
    Standard Charge Current2.5A (CCCV, 4.2V, 0.1A cut-off)
    Standard Discharge Current5.0A (to 2.5V)
    Max Continuous Discharge40A (at 35°C to 0°C)
    Operating Temperature Charge0°C to 45°C
    Operating Temperature Discharge-20°C to 60°C
    Cell Dimensions21.65±0.2mm (Diameter) x 70.95±0.2mm (Height)
    Weight≤73g

    Performance Characteristics:

    Discharge Efficiency at Various Currents:

    • 0.2C (1A): 100%
    • 1C (5A): ≥95%
    • 2C (10A): ≥95%
    • 4C (20A): ≥93%
    • 6C (30A): ≥92%
    • 8C (40A): ≥90%

    Temperature Performance:

    • 25°C: 100% efficiency
    • 55°C: ≥95% efficiency
    • -20°C: ≥70% efficiency

    Cycle Life & Storage:

    • Maintains ≥70% capacity after 500 cycles at 15A discharge
    • 28-day storage at 25°C: ≥85% residual capacity, ≥90% recovery capacity
    • 7-day storage at 55°C: ≥85% residual capacity, ≥90% recovery capacity

    Safety Compliance:

    • Overcharge protection: No fire, no explosion
    • Short circuit protection: No fire, no explosion
    • Mechanical integrity: Passes drop, crush, and impact tests
    • Environmental tolerance: Stable performance under low pressure and high temperature conditions

    Ideal Applications:

    • High-power electric tools and equipment
    • Light electric vehicles and e-mobility systems
    • Portable medical devices
    • Backup power systems
    • Professional-grade electronic equipment

    Environmental Compliance: This product meets international standards for hazardous substance restrictions (RoHS compliant).

    Note: All specifications are based on testing at 25±2°C and ≤85% relative humidity. Performance may vary based on usage conditions and system configuration. Always refer to the complete technical specification sheet for detailed application guidelines.

    This product is designed for professional applications and should be handled by qualified personnel familiar with lithium-ion battery safety protocols.

    Quality 21700 Lithium-Ion Cell with Li-NMC Cathode, Wide Temperature Range, and Low Internal Resistance for High Performance for sale
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