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.

  • Product Model: 18650
  • Normal voltage: 3.7V
  • Capacity: 1500mAh
  • Size(mm): 18*65mm

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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