21700 LiFePO4 Battery Cell 3.2V 3200mAh Rechargeable LFP Cylindrical Cell

  • Model: IFR21700-3200
  • Nominal Voltage: 3.2V
  • Capacity: 3200mAh
  • Dimension: Φ21.7 × 70.8mm
  • Chemistry: LiFePO4 (Lithium Iron Phosphate)
  • Features: Long cycle life, high safety, stable discharge performance

Product Specification

ParameterSpecification
Battery ChemistryLiFePO4 (Lithium Iron Phosphate)
Nominal Voltage3.2V
Nominal Capacity3200mAh (0.5C discharge, 3.65~2.0V)
Minimum Capacity3100mAh (0.5C discharge, 3.65~2.0V)
Standard Charge Current0.5C
Max. Charge Current3C (Ambient temperature 25℃)
Standard Discharge Current0.5C
Max. Discharge Current3C (Ambient temperature 25℃)
Internal AC Impedance≤20mΩ
Cell Weight64±3g
Cell DimensionDiameter: 21.7±0.1mm
Height: 70.8±0.2mm
Charge Voltage3.65V
Discharge Cut-off Voltage2.0V
Operating TemperatureCharge: 0℃ ~ 60℃
Discharge: -20℃ ~ 60℃
Shipment State20% State of Charge (20% SOC)
OCV: 3.200-3.265V
Storage Temperature15℃ ~ 35℃ (For Shipping State)

Product Advantages

  • Excellent Safety Performance
    LiFePO4 chemistry provides excellent thermal stability and safety performance, reducing the risk of overheating and ensuring reliable operation in demanding environments.
  • Long Cycle Life
    Designed for long-term use, this 21700 LFP cell offers excellent cycle durability, helping reduce battery replacement frequency and total operating costs.
  • Stable Voltage Output
    The flat discharge characteristics of LiFePO4 technology provide consistent power output and stable performance throughout the discharge process.
  • High Power Capability
    Supports up to 3C charge and discharge rates, making it suitable for applications requiring fast charging and high load performance.
  • Compact 21700 Cylindrical Design
    The standardized 21700 format offers a good balance between energy capacity, mechanical strength, thermal management, and flexible battery pack integration.
  • Wide Operating Temperature Range
    Reliable performance from -20℃ to 60℃ discharge temperature, suitable for outdoor and industrial applications.
  • Eco-Friendly Battery Chemistry
    Lithium iron phosphate materials provide a safer and more environmentally friendly alternative for long-life energy storage solutions.

Product Applications

  • Energy Storage Systems (ESS)
    Suitable for residential, commercial, and industrial energy storage systems requiring safe and long-life battery solutions.
  • Solar Energy Storage
    Ideal for solar power systems, off-grid energy storage, and renewable energy applications.
  • Electric Vehicles & Low-Speed Vehicles
    Provides reliable power solutions for electric scooters, golf carts, and low-speed electric vehicles.
  • Robotics & AGV Systems
    Stable voltage output and long cycle life make it suitable for automated guided vehicles (AGVs), robots, and industrial equipment.
  • Portable Power Equipment
    Applicable for portable power stations, backup power devices, and outdoor energy solutions.
  • Industrial Battery Packs
    Suitable for custom battery packs used in monitoring equipment, communication systems, and professional electronic devices.

Technical Documents

Download the technical datasheet for this battery cell to review detailed specifications, electrical characteristics, dimensions, and performance parameters.

📄 IFR21700-3200 LiFePO4 Datasheet

Download Datasheet

Product Certifications

  • Product Certifications:
    UL1642, UL1973, IEC62133, IEC62619, CB, UN38.3, MSDS
  • Compliance Certifications:
    CE, RoHS, REACH, PSE, CCC, BIS
  • Manufacturing Certifications:
    ISO9001, IATF16949, ISO14001, ISO45001

Related Cylindrical LiFePO₄ Battery Cells

LNC provides a wide range of 3.2V cylindrical LiFePO₄ cells, including
18650, 21700, 26650, 26700, 32700 and 32140 formats for energy storage,
EV and industrial applications.View All Cylindrical LiFePO₄ Cell Models →

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