Samsung 21700 3.63V 5000mAh INR21700-50E Li-ion Rechargeable Flat Top Battery

• • 3.1 Standard discharge Capacity:
    Min 4,900mAh
    – Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
    – Discharge : 0.2C(980mA), 2.5V cutoff @ RT
    * 1C = 4,900mA
  • Rated discharge Capacity:
    Min 4,753mAh
    – Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
    – Discharge : 1C(4,900mA), 2.5V cutoff @ RT
  • Charging Voltage: 4.2V
  • Nominal Voltage: 3.63V
  • Charging Method: CC-CV (constant voltage with limited current)
  • Charging Current Standard charge: 2,450mA
  • Charging Time Standard charge : 4hours
  • Max. Charge Current: 4,900mA (not for cycle life)
  • Discharge Current:
    9,800mA (for continuous discharge)
    14,700mA (not for continuous discharge)
  • Discharge Cut-off Voltage: 2.5V
  • Cycle life:
    Capacity ≥ 3,802mAh @ after 500cycles (80% of the Rated Discharge Capacity @ RT)
    – Charge :0.5C(2,450mA),4.2V,CCCV0.05C(245mA) cut-off@RT
    – Discharge: 1C(4,900mA), 2.5V cut-off @ RT
  • Storage characteristics:
    Capacity recovery (after the storage) ≥ 4,410mAh
    (90% of the Standard discharge capacity @ RT)
    – Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
    – Storage : 20 days @ 60’C
    – Discharge : 0.2C(980mA) 2.50V cut-off @ RT
  • Cell Weight: 69.5g max
  • Cell Dimension Cell height: Max.70.80mm Top Diameter : Φ Max.21.25mm
  • Operating Temperature(*2) (Ambient):
    Charge: 0 to 45°C
    Discharge: -20 to 60°C
  • Recovery 80% after storage(*³)
    1 year: -20~23°C
    3 months: -20~45°C
    1 month: -20~60°C
    • Note (*¹): Protection function of the battery pack should be set within the specified charge, discharge and temperature range in Cell Specification.
      Note (*2): Discharge OTP(over temp. protection) should not be over 70°C of Cell surface
      temperature. Protection set should be based on the location of Cell surface with the highest temp increase part of the battery pack
      Note (*3): If Cell is kept as ex-factory status (30% of charge), the capacity recovery rate shall be more than 80%.

  Warnings:

  • This battery is not for use in any vape or e-cigarette devices.
  • This battery is designed for use and to be incorporated in a battery management unit.
  • This battery is not designed for and should not be handled by any individual consumer.
  • Do not charge with constant current more than maximum charge current.
  • Do not charge the cell, which was discharged equal to 1V or under.
  • Do not disassemble or reconstruct the battery.
  • Do not throw or cause impact.
  • Do not pierce a hole in the battery with sharp things. (such as nail, knife, pencil, drill)
  • Do not use with other batteries or cells.
  • Do not solder on battery directly.
  • Do not press the battery with overload in manufacturing process, especially ultrasonic welding.
  • Do not use old and new cells together for packing.
  • Do not expose the battery to high heat. (such as fire)
  • Do not put the battery into a microwave or high pressure container.
  • Do not use the battery reversed.
  • Do not connect positive(+) and negative(-) with conductive materials (such as metal, wire)
  • Do not allow the battery to be immersed in or wet with water or sea-water.
  • Do not give immoderate heat and force to battery cell during a welding process of metal plates on it.

  Download Datasheet:

INR21700-50E_datasheet