Ohm my God!

Ohm my God!

Electronic Ecig ohm's test

Everyday here at SmokShop we get asked about OHMs. What are they? What do they do? Well we are going to do our best to break it all down for you and explain exactly what OHMs are, what difference they make and the benefits gained from different resistances.

Putting it simply an OHM is the measure of resistance that the electronic current faces as it passes through your atomizer coil. Different resistances have different effects on your vaping experience. Of course it all comes down to personal preference and finding what is the best for you, but having a little knowledge can go a long way in finding your best vape.

How it all works

When you power up your electronic cigarette it passes a current through a resistance wire, which is usually shaped into a coil. The action of doing this causes the coil to heat up, which in turn vapourises the e-liquid that is saturated in a wicking material. The lower the resistance of the coil, the quicker it heats up, and it is capable of achieving a higher temperature which then heats the e-liquid faster and provides a warmer vape.

The resulting heat from the coil can be measured in watts, much like a light bulb. Lower resistance means higher watts, and there are both advantages and disadvantages to lower and higher resistance coils.

Below we will go over three of the most common resistances based on the use of a 3.7 volt eGo battery, and the pro's and con's of each. If you are using a variable voltage device the advantages and disadvantages of each will still apply.

1.8 OHM - At 3.7 volts this provides 7.6 watts of power

The 1.8 OHM atomizer head is the most common among eGo battery users. This is because you do not have the ability to increase voltage, which can provide a warmer, or too hot vape. The advantages of a 1.8 OHM atomizer coil are that it has a quicker heating coil (which provides more vapour), an increased throat hit and a warmer vape. This can be particularly sought after for bottom coiled clearomizer tanks, and because of this some users find they do not need to use their E Cig as much.

The disadvantages of the 1.8 OHM atomizer coil are: increased e-liquid consumption, shorter atomizer head life span and a decrease in battery life, as more power is being emitted by the atomizer. All of this in turn can increase running costs of your E Cig.

E-cig Vaping

2.4 OHM - At 3.7 volts this provides 5.7 watts of power

We here at SmokShop widely regard the 2.4 OHM atomizer head as the best all round coil for your clearomizers. The advantages of this coil are a warm vape, a mid-to-long atomizer coil life span, reduced e-liquid consumption and extended battery life, as the power consumption is lower.

The disadvantages of the 2.4 OHM atomizer head are a potentially reduced throat hit and less vapour production.

2.8 OHM - At 3.7 volts this provides 4.9 watts of power

This is the atomizer head of choice for those who prefer a cooler, smoother vaping experience. The advantages of the 2.8 OHM atomizer head are reduced e-liquid consumption, extended atomizer life span, compared to lower OHM coils and an increased battery life.

The disadvantages of the 2.8 OHM atomizer head are a reduced amount of vapour, less throat hit compared to lower resistance coils and a cooler vaping experience

As you can see from the above, it is quite a technical process to find the perfect vaping experience. Hopefully this has gone some way to help you understand how OHMs work and how they can affect your vape.

As always we would love to hear your feedback. Which atomoizer head do you prefer? Do you have any further questions on how OHMs work? Drop us a comment below as we would love to hear from you.


Author: Kevin Ewbank
Avid vaper & co-founder of SmokShop
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