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Batteries And Chargers

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2KS Rechargeable Battery 18650 NCR18650B 3400mAh 3.7V eg for e-cigarettes, vaporizers, LED flashlights


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$ 10.73

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yunkang NCR18650B 3.7V 3400mah 18650 Lithium Rechargeable Battery For E-Cigarettes Vaporizer Electronic Cigarette kit




Nominal Capacity

3400mAh (0.2C, 2.75V discharge)

Minimum Capacity

3200mAh(0.2C, 2.75V discharge)

Charging Voltage

4.2??0.05 V

Nominal Voltage


Charging Method


(constant voltage with limited current)

Charging Current


Standard charge:0.5c

Rapid charge : 1.5c

Charging Time


Standard charge : 3hours

Rapid charge : 2.5hours

Discharging Current(Std.)

0.2C(ambient temperature?25?C)

Discharging Current(Max.)

0.5C(ambient temperature 25?C)

Discharge Cut-off Voltage


Cell Weight


Cell Dimension


Height : 65mm max

Diameter : 18mm max

Operating Temperature


Charge : 0 to 40?C

Discharge: -20 to 60?C

Mishandling the cell may cause heat,explosion and fire.Be sure to observe the following.

1.Do not throw the cell into fire or heat it

2.Do not use cell with + or - in reversed

3.Do not connect +and - terminals with wire or other metal(Do not short -circuit the cell)

4.Do not pierce the cell with a nail,strike it with a hammer,step on it or otherwise subject it to strong impact.

5.Do not directly solder to the cell

6.Do not allow the cell to be immersed in or wetted with water or sea water.

7.Do not put cell into the microwave oven or high pressure container.

8.Never disassemble or modify the cell. The safety mechanism are incorporated in the cell to? prevent danger.Damaged safety mechanism may cause heat,expansion and fire.

9.Do not leave the cell in places of high temperature like the side of fire or strove or under strong direct sunlight.This may cause heat ,explosion and fire.In addition,performance and service life of the cell may be deteriorated.

10.Immediately stop using the cell,if you notice heat,discoloration,deformation,damage on external tube or anything wrong,during use or storage of the cell.Move the cell away from the fire immediately if you notice a foul odor due to leakage.



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  • Bank transfer to Kč (CZK) account: 2000383290/2010 - variable symbol (VS): your order number
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