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    Application

    High rate 3C li-ion 18650 3.7V 2500mAh battery

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

    battery

    High rate 3C li-ion 18650 battery 2500mAh 3.7v rechargeable battery 

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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.


     

    Item

     

    Parameters

     

    Remark

    Rated Capacity

    Typical

    2500mAh

    standard discharge(0.2C)

    after standard charge

    Minimum

    2450mAh

    Alternating 

    Internal Resistance

    ≤70mΩ


    Nominal Voltage

     3.7V  

    mean operation voltage

    Voltage at end of Discharge

    2.5V

    discharge cut-off voltage

    Charging at end of Voltage

    4.20V


    Standard Charge

    Constant Current 0.2C Constant 

    Voltage 4.20V 0.02C cut-off

    charge time:Approx 6.0h

    Standard Discharge

    Constant Current 0.2C end Voltage 3.0V


    Fast Charge

    Constant Current 1C Constant 

    Voltage 4.20V 0.02C5A cut-off

    charge time:Approx 2.5h

    Fast Discharge

    Constant Current 1C end Voltage 3.0V


    Cycle Characteristic

    300times(100%DOD)

    500 times(80%DOD)

    800 times(50%DOD)

    the residual capacity is no less 

    than 80% of rated capacity at 1C rate.

    Maximum Continuous

     Discharge Current

    3C

    pulse discharge current: 5C

    Operation Temperature Range

    Charge:0~55

    Discharge:-20~60

    60±25%R.H. bare battery

    Storage Temperature Range

    Less than 1 year:-20~25

    Less than 3 months:-20~45

    60±25%R.H. at the shipment 

     

    Warnings:

    Do not submerge the battery in the water.
    Do not mix fresh batteries with used batteries.
    Do not mix batteries with metal stuff together.
    Do not insert batteries with the (+) and (-) reversed.
    Do not use Efest batteries with defective E-cig mods.
    Do not disassemble, dispose in fire, heat or short circuit.
    Do not put the battery in a charger or equipment with wrong terminals connected.

     

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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.

     


    China li-ion battery supplier1543474329617893.jpgli-ion battery manufacturerShenZhen China li-ion batteryli-ion rechargeable batteriesbattery

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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.


    18650

    batteries 18650

    li-ion 18650 battery

    lithium battery 18650

    18650 li ion battery

    3.7v battery


    battery

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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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