12v 20ah 18650 battery lithium ion for power device

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 battery pack
  • Normal voltage: 12V
  • Capacity: 20Ah
  • Size(mm): 60*70*160 mm

battery

12v 20ah 18650 battery lithium ion battery pack


18650 battery pack

battery pack 12V

12v rechargeable battery

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


Long cycle Lithium ion battery pack: 
1. 12V20Ah Lithium ion battery pack 
2. Normal capacity: 20Ah 
3. Cycle: 500-800 times

 

 

Product

GEB12V  20Ah (3S8P 18650 2500MAH)

Remark



Rated Capacity

Typical

20.5Ah

standard discharge(0.2C)


Minimum

20Ah

after standard charge


Case

Blue PVC covered with Epoxy resin board



Dimension 

60*70*160 mm

can be customized


Weight 

around 1.2kg



Nominal Voltage

11.1V  

mean operation voltage


Voltage at end of Discharge

8.6V

discharge cut-off voltage


Charging at end of Voltage

12.6V



Standard Charge

Constant Current 0.2C Constant 

charge time:Approx 6.0h


Voltage 12.6V 0.02C cut-off


Standard Discharge

Constant Current 0.5C end Voltage 3.0V



Fast Charge

Constant Charge Current 0.5C 

charge time:Approx 3h


Voltage 12.6V 0.02CA cut-off


Fast Discharge

Constant Current 1C end Voltage 8.6V



Cycle Characteristic

500times(100%DOD)

the residual capacity is no less 


800 times(80%DOD)

than 80% of rated capacity at 1C rate.


1000 times(50%DOD)



Maximum Continuous

1C

pulse discharge current:2 C


 Discharge Current


Operation Temperature Range

Charge:0~55

60±25%R.H. bare battery


Discharge:-20~60


Storage Temperature Range

Less than 1 year:-20~25

60±25%R.H. at the shipment 


Less than 3 months:-20~45


 

 

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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Send an InquiryBack to Home
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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Send an InquiryBack to Home
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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Send an InquiryBack to Home
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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