• 2S2P 7.2V 4.4Ah li-ion battery pack
  • 3.7V(1S)-11.1V(3S) - 2S2P 7.2V 4.4Ah li-ion battery pack

2S2P 7.2V 4.4Ah li-ion battery pack


Model: AY-LI2S2P-18650-2200mAh
Voltage: 7.2V
Capacity: 4.4Ah
Size (can be customized): L74* W67*T21mm
Cell Model: 18650-2200mAh

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Sender email add: RE: 2S2P 7.2V 4.4Ah li-ion battery pack
  • 3.7V(1S)-11.1V(3S)


    2S2P 7.2V 4.4Ah Li-ion battery pack 
    Technical Parameters
    Battery pack * 7.2V 4.4Ah Li(NiCoMn)O2 Battery is made by 4pcs of
    Li(NiCoMn)O2 18650 2200mAh cells
    * In 2S2P configuration
    * Wrap with heavy duty PVC
    Charge Information *Charge voltage: 8.4V±0.05V (4.2V/cell)
    *Charge method: CC/CV (Constant-current and-Voltage with Limited current)
    *Standard charging time: 880mA/7 hours,3 A2/hours
    (Battery capacity÷charging current×1.5 )
    *Charge voltage: 8.4V (4.2V/cell)
    *Charge current: 0.88A
    Dishcharge Information * Maximum discharging current: 3A 
    * Continuous discharge current: 0.88A 
    * Discharge cut-off voltage: 5.6V (2.75V/cell)
    Protection Information * Protected by one PCM:
    * PCM is installed in the battery pack to balance charging and protect battery
    * Must wait min of 30 minutes afrer battery is fully charged to allow the PCM to perform balance function on all the cells within the pack
    * Maximal continuous charging current: 3A
    * Maximal continuous discharging current: 3A
    * Over-charge& over-discharge detection voltage: 4.25V/2.8V
    * Over-current detection: 10±2A
    Short-circuit Protection Exterior short circuit Automatic recovery
    Intermal resistance / Cycle life ≤135mΩ / ≥300
    Operating Temperature *Standard Charge: -20~+50℃ / *Standard Discharge: -20~+50℃
    Pre-wired * Red=Positive,Black=Negative
    Weight/Dimension around 0.17kgs(including cells,pcm.pvc wires) ;L74* W67*T21mm
    Applications * Apply to light, medical device, etc
    * Replace8.4 V Nimh battery and 8V lead acid battery with much clear engergy.
    Warnings * 7.2V 4.4Ah Li(NiCoMn)O2 Battery should be cut-off at5.6 ≥V (2.75V/cell) during
    discharging, and should be stop charging at ≤8.5 V during charging.
    * We are not responsible for an damages or losses caused by misuse (included but not
    limited to: Improper charging/discharging, any changes of this battery pack,
    miss-assembling battery packs.)
    * Always pay attention to when charging the battery pack. Battery shall put in a place
    or wrong polarity connection.
    * Please always check battery polarity before connection to device. Never make wrong polarity connection.

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