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    Application

    3.2v 50ah lfp55380 long cycle life high discharge rate battery cells

    0.2C constant current charge to 58V, then constant voltage 58V charge till charge current decline to≤0

    battery

    48v 50ah lifepo4 battery pack with long cycle life high discharge rate lfp55380 3.2v 50ah battery cells


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    GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.




    Model            

     48V50AH

    Material of Anode/Cathode 

    LiFePO4/Graphite 

     Size (Diameter*Height))   

    260(T)*380(W)*260(H)(mm) 

     Weight 

    ≤28Kg  

     Nominal capacity 

     50Ah 

    Nominal voltage    

     48V 

    Internal resistance: 

    ≤70mΩ   

    Energy density

     ≥100Wh/kg at 0.2CDC  

     Volumetric energy density 

       ≥180WH/L at 0.2CDC   

     Discharge cut-off voltage 

    32V 

    Charge voltage 

    58V 

    Standard charging 

    0.2C constant current charge to 58V, then constant voltage 58V 

    charge till charge current decline to≤0.05C

    Standard discharging

    0.2C CC discharge to 32V

    Max .continual charge current  

    50A(1C)

    Max. continual discharge current 
     

      150A(3C)

    Max. Charge/discharge pulse current  

     400A

    Operating temperature

    Charging: 10~45°C
    Discharging:-20~55°C  

    Storage temperature

    Less than 1 year: 0~25°C 
    Less than 3 months: -10~45°C 

     High temperature performance

    0.5C capacity higher than 98% of nominal capacity at 55°C

    Low temperature performance

    0.2C capacity higher than 70% of nominal capacity at -20°C

    Standard charge/discharge cycle life

    Cycle life of standard charge/discharge
     capacity after 2000 cycles greater than 80% of initial capacity


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    GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.


    3.7v rechargeable battery

    rechargeable lithium battery

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    lipo battery

    lipo battery 3.7v


    lithium polymer batteries

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    1,Q: What's the main product in GEB?                                                                       

       A: Rechargeable battery. Li-ion, Lipo battery and power battery pack.

    2,Q: What is overcharge?                                                                                             

       A: After charge, tested the batteries' initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.

    3,Q: What is over discharge?                                                                                       

       A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance

    4. Q: Can I have a sample order?                                                                                   

      A: Yes, we accept sample order to test and check quality. Batteries can be made as require.

    5. Q: Do you have MOQ limit?                                                                                        

      A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.

    6. Q: How about the lead time?                                                                                      

      A: Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.

    7. Q: How about shipping and delivery time?                                                              

      A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.

    8. Q: What about after-sale service?                                                                             

       A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.


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    GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.


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