Application

3.7v 18650 1500mah 15C rechargeable lithium-ion battery cells

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

battery

 3.7v 18650 1500mah 15C rechargeable lithium-ion 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.


 

Battery Model

1500mAh 18650 Li-ion battery 3.7V

Nominal Capacity

1500mAh  (0.2C Standard discharge)

Nominal Voltage

3.7V

End of Voltage

2.75V

Full Charge Voltage

4.25V

Shipping Voltage

3.7-4.2V

Internal Impedance

≤50mΩ(Internal resistance measured at AC 1KHZafter 50% charge)

Standard charge

Constant Current0.2C / 400mA, or 0.5C/1000mA
0.01 C5Acut-off

Standard discharge

Constant current0.2/ 400mAh, or 0.5C/1000mA
end voltage3.0V

Charge time

Approx 4.0h

Max. Charge Current

15C

Standard charging method

0.2C constant current,3.6V constant voltage charge to 3.6V,continue charging till current decline to≤0.01C

Max. Discharge Current

1C/3C (Have different spec., pls contact us for more details.

Operating Temperature

-20-60°C (Charge at a very low temperature such as blew0,will be get a lower capacity and reduce cycle life of the battery)

 

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.


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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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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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