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- Apr 16, 2017-

Basic Info
  • Model NO.: 18650

  • Charger Type: Electric Charger

  • Nominal Voltage: 3.7V

  • Size: 18.5*65.5mm

  • Rechargeable: yes, rechargeable

  • Standard Charge: Cc/CV,0.2c5a, 4.20V

  • End-of-Charge Voltage: 4.20V±0.05V

  • End-of-Discharge Voltage: 3.00 V

  • Weight: 42±1g

  • Transport Package: White Box

  • Origin: China

  • Type: Lithium Battery

  • Charger Application: Standard Battery

  • Charger Style: Simple Charger

  • Certification: KC, RoHS, TUV, CE

  • Typical Capacity: 2500mAh

  • Standard Discharge: Cc,0.2c5a, 3.00V

  • End-of-Charge Current: 0.01c5a at CV Mode

  • Charging Time: 8.0hours

  • Trademark: SAMSUNG/SONY/LG

  • Specification: Lithium Ion

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Prodcut overview:


Typical Capacity:2500mAh @ 0.2C Discharge

Minimum capacity:2500mAh @ 0.2C Discharge

Nominal voltage:3.7V

Standard Charge:CC/CV,0.2C5A, 4.20V

Standard Discharge:CC,0.2C5A, 3.00V

End-of-charge Voltage:4.20V±0.05V

End-of-charge Current:0.01C5A (At CV mode)

End-of-discharge Voltage:3.00 V

Charging Time:8.0hours(standard charge)

Quick Charge Current:2500mA (1.0C5rate)

Quick Disharge Current:2500mA (1.0C5rate)

Max Disharge Current:20A (8.0C5rate)

Initial Impedance:Max:65mΩ


Operating temperature:Charging: 0ºC~45ºC


Storage temperature:-5ºC~35ºC

Storage Humidity:≤75% RH

General performance:

ItemTest Methods and ConditionCriteria
0.2C CapacityAfter standard charging, rest battery for 10min, then
discharging at 0.2C to voltage 3.0V, recording the discharging
≥ 300min
Cycle LifeConstant current 0.5C charge to 4.2V, then constant voltage
charge to current declines to 0.01C, rest 10min , constant
current 0.5C discharge to 3.0V,rest 10min. Repeat above
steps till continuously discharging capacity Higher than 80%
of the Initial Capacities of the Cells
≥ 300 times
Capability of
20±5ºC, After standard charging, rest the battery 28days,
discharging at 0.2C to voltage 3.0V, recording the discharging
≥ 240min

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