3.7V 3100mah 18650 NCR18650A rechargeable li-ion battery

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$2.90 - $3.50 / Pieces | 100 Piece/Pieces (Min. Order)
Nominal Capacity:
Nominal Voltage:
Battery Size:
batteries 18650
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
power tools
Discharge Cut-off Voltage:
Standard Charge Current:
Standard Discharge Current:
Max Pulse Discharge Current:
Max Continue Discharge Current:
3100mah rechargable li -ion 18650 battery cell
Supply Ability
Supply Ability:
10000000 Piece/Pieces per Year
Packaging & Delivery
Packaging Details
standard exporting package 18650 3100mAh battery





1.1 Capacity Nominal Capacity 3100mAh (1.2A Discharge) Minimum Capacity 3000mAh(0.48ADischarge) 
1.2 Nominal Voltage 3.7V 
1.3 Internal Impedance ≤ 70m
1.4 Discharge Cut-off Voltage 3.0V 
1.5 Max Charge Voltage 4.20±0.05V 
1.6 Standard Charge Current 1.2A 
1.7 Max Charge Current 2.2A 
1.8 Standard Discharge Current 1.2A 
1.9 Max Continue Discharge Current 2.4A 
1.10 Max Pulse Discharge Current 4.8A 
1.11 Weight 48.5±1g 
1.12 Max. Dimension Diameter(Ø): 18.4mm Height (H):  65.3mm 
1.13 Operating Temperature Charge: 0 ~ 45°C Discharge: -20 ~ 60°C 
1.14 Storage Temperature During 1 month: -5 ~ 35°C During 6 months: 0 ~ 35°C 


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Portable equipment: POS, Portable printer, handset.

Medical instrument; B ultrasound, Ecg monitoring instrument electric pulmotor

Consumer electronics; PDA,MID,laptop,emergency light power source

                                   Electriv power tool  e-bicycle

Industrial and commercial instrument; light power meter Gas testing instruments fusion splicer flaw detector

Electric toy; RC car/ boat/helicopter


Types like 18650,18500,14500,17500,14250,32650,26650 are also available.

We also have many other battery cells in different dimensions and capacity. Furthermore, we could also customize the battery at your request. Should the battery or similar product be of interest to you, please feel free to contact me for further details including price.

Packaging & Shipping

Packing Details:
Packing for each item. Standard weight and outer package for all shipping method.


Delivery Details:

* Within 2-3 days after receiving payment(based on actual quantity)

* DHL/FedEx/UPS fast express

* Air Shipping/ Sea Shipping. All accepted. 

* Tracking NO. will be sent to you after delivery, and we will track the goods for you until you receive all of them.


 Please feel free to Contact me

Company Information



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.





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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