Description

• 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