What are Low-Resistance Cartomizers and Atomizers?

Low Resistance Cartomizers AtomizersWe’ve noticed something through our years of becoming informed e-smokers and helping others to become informed; most e-smokers will pick up a popular e-cigarette from a large manufacturer before they begin to even think about branching out into the wide assortment of options available to them.

When you start looking at other options like a larger battery, you’ll likely come in contact with the word “resistance” in reference to the various cartomizers, atomizers and tanks available.

We’re here to explain what resistance is, how high-resistance and low-resistance cartomizers and atomizers differ, and explain which type is best to use with your e-cigarette.

2015 Update: Sub-ohm vaping is the latest low-resistance atomizer trend sweeping through the e-cigarette industry. Read our article and learn how you can get started!

Atomizer and Cartomizer Resistance: Basic Terminology

It’s important to know some basic electrical terminology before you begin buying experimenting with atomizers, cartomizers and different batteries. That’s the only way you can ensure that your e-cigarette components will work together when you finally assemble them.

Volts measure the rate at which power flows from one source to another. In this case, it would be the rate of electricity flowing from your battery or mod.

Resistance measures how much power is being restricted. Think of resistance as if you were trying to step on a garden hose with water flowing through it; you limit the amount of water that comes out of the hose’s end.

For example, a low-resistance atomizer will have around 1.5 ohms of resistance while a high-resistance atomizer will have around 3.0 ohms.

Watts describe the amount of power being delivered from the source to the end (terminal). You calculate the watts by using the following formula: Watts = Volts^2/Resistance.

“Ampere”, commonly shortened to just “amp”, is the last term that you need to know before you can begin shopping for new attachments. It describes the amount of electrical charge traveling through a circuit. In your e-cigarette, this describes the amount of stress that your device is under. Too many amps and you’ll end up producing excess heat, which in turn degrades and eventually destroys your e-cigarette’s components.

How Resistance Affects Your E-Cigarette

Until you reach about 12 watts of power with your e-cigarette, you will notice that more wattage produces a hotter, more satisfying and more flavorful vapor. When you go over 12 watts, you’ll start to taste a putrid burned flavor that is the result of liquid vaporizing faster than it can be fed into the heating coil of your atomizer or cartomizer.

Most e-cigarette atomizers and cartomizers will have a resistance of around 2.5 ohms with a potential deviation of about 0.1 ohms. Couple this with the standard 3.7 volt e-cigarette battery and you’ll be able to produce just a few hairs shy of 5.5 watts of power with an attachment of standard resistance when the battery is at a full charge.

The amount of power produced will gradually wane as your battery loses its charge.

Low-Resistance Cartomizers and Atomizers

Low-resistance cartomizers and atomizers are designed to be used with standard 3.7-volt e-cigarette batteries. Because they usually have around 1.5 ohms of resistance, this allows for more power.

You’ll end up with somewhere around 9.12 watts being produced, which means that the amount of vapor produced by your e-cigarette will increase by about 67 percent. You’ll experience that certain spot where you have just the right amount of vapor with a full, flavorful taste.

There are some trade-offs when you use a low-voltage attachment. The biggest problem is that a current of 2.46 amps will be produced. Small e-cigarette batteries can’t sustain this and tend to die early — that’s why we recommend that you don’t use low-resistance attachments with anything smaller than an eGo e-cigarette.

High-Resistance Cartomizers and Atomizers

As we hinted earlier, 3.7-volt e-cigarettes have their limits. That’s why e-cigarette manufacturers are hard at work designing bigger and more robust e-cigarettes that can handle up to 6 volts of juice — and even more. The VaporFi VOX II is an example of this new breed of e-cigarettes.

Connecting a low-resistance attachment to cigarettes capable of producing a higher amount of volts is a very bad idea. You’ll wind up producing up to 4 amps, which will lead to the very prompt death of your e-cigarette’s battery and heating coil.

The ideal attachments for high-voltage e-cigarettes are high-resistance atomizers and cartomizers. While they restrict the current, they also reduce the amperage while allowing for a higher total output of up to 12 watts and occasionally more.

For example, a high-resistance atomizer, also known erroneously as a “high-voltage atomizer”, will provide about 3.0 ohms of resistance. Attach this to a 6-volt battery and you will be able to achieve 12 watts of vapor production with just 2 amps of current.

Author: Jason Artman

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