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Specal Battery

18650 3.7v 7.4v 2500mAh Cylindrical Rechargeable li-ion Battery

Battery type: 18650

  • Nominal Voltage: 7.4v                     
  • Nominal Capacity: 2500mAh
  • product name: polymer battery cell
  • Norminal Voltage: 7.4v
  • Charge Upper Limit Voltage:4.25±0.025V/Cell(selectable)                                          
  • Cycle life: 500 Times
  • Battery PCB Protection: Available
  • Warranty: 12 Months


  • No.

    (序号)

    Item

    (项目)

    General Parameter

    (常规参数)

    Remark

    (备注)

    1

    Rated Capacity

    (额定容量)

    Typical

    (典型容量)

    2550mAh

    Standard discharge0.2C C5A) after Standard charge

    (标准充电后0.2C5A标准放电)

    Minimum

    (最小容量)

    2500mAh

    2

    Nominal Voltage

    (正常电压)

    7.4V

    Mean Operation Voltage

    (即工作电压)

    3

    Voltage at end of

    Discharge

    (放电终止电压)

    6.0V

    Discharge Cut-off Voltage

    (放电截止电压)

    4

    Charging Voltage

    (充电电压)

    8.4±0.03V

     

    5

    Internal Impedance

    (内阻)

    80mΩ

    Internal resistance measured at AC 1KHZ after 50% charge

    (半电态下用交流法测量内阻)

    The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times

    (用出货后不到一个星期及循环次数不多于5次的新电池测量)

    6

    Standard charge

    (标准充电)

    Constant Current 0.2C5A

    Constant Voltage 8.4V

    0.01 C5A cut-off

    (持续电流:0.2C5A

    持续电压:8.4V

    截止电流:0.01 C5A

    Charge time : Approx 6h

    (充电时间:大约6个小时)

    7

    Standard discharge

    (标准放电)

    Constant current 0.2 C5A

    end voltage6.0V

    (持续电流:0.2C5A

    截止电压:6.0V

     

    8

    Fast charge

    (快速充电)

    Constant Current 1.0C5A

    Constant Voltage 8.4V

    0.01 C5A cut-off

    (持续电流:1.0C5A

    持续电压:8.4V

    截止电流:0.01 C5A

    Charge time : Approx 2.5h

    (充电时间:大约2.5个小时)

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