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    • 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah
    • Lighting battery pack - 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah

    18650/2S2P Li-ion battery Pack 7.4V/4.4Ah

    Lighting battery pack

    Model: AY-L02S02-021
    Voltage: 7.4V
    Capacity: 4.4Ah
    Size (can be customized): L75*W68*H25mm
    Cell Model:  

    • Description
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    Sender email add: RE: 18650/2S2P Li-ion battery Pack 7.4V/4.4Ah
    • Lighting battery pack

      AY-L02S02-021

      No Test item Criterion
      Nominal capacity 4.4Ah Samsung 18650-2200mAh
      Nominal voltage 3.7V 3.7V/1 Cell
      Charging voltage 8.4V±0.05V 4.2V/1 Cell
      Charging method CC/CV (Constant-current and-Voltage with Limited current
      Standard charging time 2000mA/3.3hour 1000mA/6.6hour Battery capacity÷charging current×1.5
      Charging current 1250mA(0.5C) 0~+40℃
      Maximum charging current 2500mA(1C) 0~+40℃
      Continuous discharge current 2.5A(1C) -20~+60℃
      Discharge cutoff voltage 2.5V 2.5V/1 Cell
      Short circuit protection Exterior short circuit Automatic recovery
      Intermal resistance ≤200mΩ AC lmpedance 1kHz
      Cycle life ≥500  
      Operating temperature Standard Charge 0~+40℃  
      Standard Discharge -20~+60℃  
        L75*W68*H25mm Length x wide x height
      Pre-wired   Red=Positive,Black=Negative
      Protection Circuit Module: PCM-Li02S3-129
      Maximal continuous charging current 2.5A  
      Maximal continuous Discharging current 2.5A  
      Over-charge detection voltage 4.25V±0.025V Single cell
      Over-charge release voltage 4.15V±0.05V Single cell
      Over-charge detection delay time 0.5S-1.5S Single cell
      Over-discharge detection voltage 2.50V±0.08V Single cell
      Over-discharge release Voltage 3.0±0.10V Single cell
      Over-discharge detection delaytime 50-150mS Single cell
      Over-current detection 9±2A can adjust
      Over-current delay time 5-15mS  

    Copyright ? 2017 AYAA TECHNOLOGY CO.,LTD. All Rights Reserved. Design By Gemelsoft.

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