Don't quite understand voltages and watts in terms of vaping

[yenmenthol]

So I have an ego battery and a variable voltage ego battery, and the tanks i use are kanger protank mini 2 and kanger glass evod. I started experimenting with the different voltages with some of my ejuices and noticed that the "black & white cookie" from Alice in Vapeland tasted significantly better to me at a higher voltage.

So my question is, what do watts do? what are ohms for? what would you suggest as a good starter battery for me to try out different watts and volts?

Thanks in advance!

 

[Ronald3638]

I theory a 2 ohm coil at 9 watts would vape the same as a 3 ohm coil at 9 watts. This starts to fall apart when people start to do sub ohm builds but it works fairly well for the 1.5 to 3 ohms that I do.

The power wheel shows the relationships between volts, Amps, Watts and Ohms. By the way volts is E for electromotive force and Amps is I for Intensity.


If you are using a variable volt battery and you want to vape at 8.5 watts with a 1.8 ohm coil for example you could do the math, (square root of (watts * resistance)) and come up with 3.9 volts then set the voltage on your battery. A simpler method would be to double the resistance which would give 3.6 volts and then adjust until the vape tastes right for you.

Don't get too hung up on the whole watts vs volts vs ohm thing just start with low voltage and adjust up until the vape tastes right.

I design heaters frequently as part of my job but vaping doesn't have to be that complicated.

 

[old_geezer]

To be simple think of it as water going through a hose into a bucket. Watts are how much water goes into the bucket. Voltage is your water pressure. Ohms is the size of your hose. So the bucket is your coil, the more watts the hotter it will vape your juice. If you use more water pressure (Volts) that raises your Watts. If you use a lower OHM coil that makes your hose bigger and also increases your Watts. A simple 3.7V non adjustable ego is best with a 1.8 ohm or so coil. Rule of thumb is start with your ohms +2 to get a decent vape, then go up or down from there. 1.8 ohms + 2 = 3.8 so your 3.7V ego might be decent. Take that same 3.7V ego and put a 2.8 ohm coil on it you have 3.7V water pressure, but a tiny 2.8 Ohm hose so you won't get much off it.

So to answer your question. Your coil ohms (hose size) will determine what Volts (water pressure) you need to heat your coil up to the desired watts ( how hot your burn your juice).

- Joe

 

[p7willm]

Ohms, watts, and voltage all tie together in something called Ohm's law. Amps are watts in different units. Google Ohms law calculator and find one. The resistance, in Ohms, depends on your coil and you can not change it, unless you change coils. A lithium ion battery produces about 4.2 volts when fully charged and as you use it go down until you recharge it. You should stop and recharge it when you get to the low 3's. Your ego takes care of stopping the button changes color based on the voltage of the battery.

The Variable Voltage, vv, on your battery means there is an electronic circuit that takes the voltage the battery is producing and changes it. For example if you pick 4 volts the circuit will take whatever the battery is putting out, 3.5 to 4.2, and convert it to 4.

Since you can adjust voltage you can adjust watts. Lets say your tank has a resistance of 2.3 ohms then with 4 volts you have about 7 watts. If you increase the voltage to 4.5 volts you have changed the watts to 8.8. Lets say one tank is 2.3 ohms and the other is 1.8, then at 4 volts the 2.3 ohm tank is 7 watts and the 1.8 tank is 8.9 watts.

Volts are easier for a chip to adjust. Just do what the dial says. For a chip to do watts it needs circuitry to determine the resistance of the tank, it has to do the math to figure out the correct voltage, and then it has to produce that voltage. In your case you do most of the work and the mod (you have more than a battery. You also have a case holding the battery, the connector to hold your tank, the chip to control voltage, and some other stuff) just produces the voltage.

Now, all other things being equal, a tank with a lower ohm coil will produce more vapor at a higher temperature for a specific voltage. You might find you like the vape from the 2.3 ohm coil but when you put the 1.8 on you have to change the voltage to get what you like. If you have a mod that does VW, variable watts, you will probably find that both coils work best at 7 watts so, in stead of setting the voltage to 4 for one coil and changing it to 3.5 when you change to the 1.8 you would set it to 7 watts and the mod would produce 4 volts when it sensed it had a 2.3 ohm tank and 3.5 volts when it sensed a 1.8 ohm tank. When it sensed a .2 ohm tank it would indicate it had a problem since .2 is outside the range for regulated, ones that have a chip in them, mod.

You have found one of the main reasons why VV/VW exists. Juices taste differently at different power levels.

To be pedantic you have a mod, not a battery, and the mod you use, not the battery in it, lets you play with volts and watts. That said you have an excellent mod to enter the wonderful world of different watts and volts. In fact by noticing that you thought the juice tasted better at higher volts, and watts, you are already seeing what different watts and volts do.

The next question is why do people use mechanical mods which have no control over volts and watts? But that is a question for later.

Have fun exploring.

 

[Shootist]

So my question is, what do watts do? what are ohms for? what would you suggest as a good starter battery for me to try out different watts and volts?

Thanks in advance!

Basically the same thing as Volts. I personally don't see the need for both. I have 2 APV that have both, 1 APV that only has variable volts only and 2 eGo type batteries that only have variable volts.

The math to convert from volts to watts or watts to volts is fairly simple, Ohms Law.

You square the voltage then divide that by the coil resistance and that gives you the watts
So if you have a 2 ohm coil and you are running at 4 volts, 4V squared is 16 Divide that by the 2 ohms and you come up with 8 watts.
If you know the watts you take the wattage and Times it by the ohms and then get the Square Root. So again if you have a 2 ohm coil and you are running at 8 watts, 8 * 2 = 16 the Square Root of 16 is 4.

There seems to be a lot of people that don't really understand that and they think having a device that is Variable Wattage is better than a device that only has variable volts. It isn't.

They are the same.

I find most juices/flavor/throat hit/vapor, coils and wicks are best somewhere around 7 to 12 watts, 3.4 to 4.2/4.4 volts. Each juice is different and each ohm coil is slightly different.

The BIG crazy for high wattage devices is because some people want to use Sub Ohm coils, coils below 1 ohm. Well if you have a coil that only has .5 - .8 ohms then that same 3.4 to 4.2 volts is going to need more watts. 4 volts squared is 16 divided by that .5 ohm coil = 32 watts. Divide it by the .8 ohm coil and you come up with 20 watts.

If you tried to run a 2 ohm coil at that 32 watts, or even the 20 watts, you would need a lot of volts.
32 * 2 = 64 SQ RT = 8 volts. What you would have is a FIRE In your Mouth.

So if you are using all 2 ohm coils some juices

 

[edyle]

So I have an ego battery and a variable voltage ego battery, and the tanks i use are kanger protank mini 2 and kanger glass evod. I started experimenting with the different voltages with some of my ejuices and noticed that the "black & white cookie" from Alice in Vapeland tasted significantly better to me at a higher voltage.

So my question is, what do watts do? what are ohms for? what would you suggest as a good starter battery for me to try out different watts and volts?

Thanks in advance!

1: What do watts do.
Well you have to change your coil eventually.
If you change to a different ohms from the old coil, you will have to adjust the voltage to match it.
If you are using watts, you won't have to adjust; it checks the coil and changes the voltage for you.

2: What are ohms for?
Ohms is the resistance of the coil.
The higher the ohms, the more voltage you would need to get the coil hot.
If the ohms are too low, you get a short circuit and things get ..... tooo....... hoooOOOTTTT

3: Suggest good starter battery:
MVP2. Check 101vapes.
Otherwise look for the smaller version: the itaste vv v3.
There's also an ego v3 mega.

 

[Singaw]

The next question is why do people use mechanical mods which have no control over volts and watts? But that is a question for later.

Just going to touch on this... There is control over the watts... We control the watts by controlling the resistance of the coil.

Watts = volts squared / resistance

Control of the volts is a little harder but can be managed by using fully charged batteries and changing them often.

 

[stevegmu]

It is all just power. Just start low and work your way up or down until the juice tastes and vapes the best to you.

 

[NealBJr]

The next question is why do people use mechanical mods which have no control over volts and watts? But that is a question for later.

Have fun exploring.

I am assuming you kept your response easy for simplicity sake. Volts is only one aspect. I tend to think that Watts is the true measure of how something vapes, and you adjust the ohms and/or volts to get to your recommended watts. That being said, certain gauges of wire react differently to different watts. for 32 gauge, I like 8-10 watts. for 28 gauge, I like 12-14 watts.

so, if I have a dual coil mechanical build using 28 gauge, you should be able to guess what ohm each coil is I am vaping from right now using ohms law and my preferences.

 

[Shootist]

1: What do watts do.
Well you have to change your coil eventually.
If you change to a different ohms from the old coil, you will have to adjust the voltage to match it.
If you are using watts, you won't have to adjust; it checks the coil and changes the voltage for you.

That is a statement that is widely used but completely false. Who says all ohm coils need to be or should be run at the same Watts. Along with that who says every juice tastes the best and produces the same vapor at said wattage.

More than likely if you are changing your topper that has a different ohm coil in it than the last one you will need to adjust the wattage to suite that ohm coil and whatever juice you have in that tank.

Sure there may be some people that always run at 15, 20, 25, 30 watts but that does not mean it is the best setting.

There is no difference between adjusting voltage or wattage. You turn either up or down and it controls the other. Higher or lower volts = higher or lower wattage. Higher or lower watts = higher or lower voltage.

 

[asvaldr]

That is a statement that is widely used but completely false. Who says all ohm coils need to be or should be run at the same Watts. Along with that who says every juice tastes the best and produces the same vapor at said wattage.

More than likely if you are changing your topper that has a different ohm coil in it than the last one you will need to adjust the wattage to suite that ohm coil and whatever juice you have in that tank.

Sure there may be some people that always run at 15, 20, 25, 30 watts but that does not mean it is the best setting.

There is no difference between adjusting voltage or wattage. You turn either up or down and it controls the other. Higher or lower volts = higher or lower wattage. Higher or lower watts = higher or lower voltage.

Like what he's said the wattage output needed for vaping is differ depends on the build of your coil and ofcourse your liking, the same resistance coil with different built or liquid may have different "sweet spot" wattage needed so start your wattage or voltage low and raised it little by little to your liking

Sent from my GT-P6200 using Tapatalk

 

[Fir3b1rd]

Think of your apv as a circuit and your topper is obviously what you are powering.

Your power source is you battery and your button is what opens or closes the circuit allowing the current to flow through.



Voltage is NOT power despite common belief. Voltage is basically a measurement of pressure.



Electricity (ac or dc) is the excitement of elections being released from atoms and trying to get to another atom in order to stabilize the atoms- this the purpose for the closed circuit.

The "coil" is merely a resistor: and, just like the name implies it resists the flow of those electrons; thereby causing the pressure (voltage) if you will. That resistance is measured in a unit called ohms. When the flow of those electrons is being resisted it causes the coil to heat.

Think of electricity and the flow of electrons in a basic circuit as water flowing through a hose. When you pinch true house less water flows through but it appears to flow faster. Pinching the hose is like applying a resistor to the flow.

The water itself is the current(amps)

The resistance applies is the resistance of you pinching the hose (ohms)

And the pressure building up if the water at the pinched off portion is the voltage (Volts)

The power being used is the wattage

Some cool formulas if you wanna nerd out-

Volts = Current X resistance

V=I(R)

Wattage = Volts squared divided by R

P=Vsq/R

In case you are into dual coil you can get total resistance this way -assuming they are in parallel; as most are.

Rt=(R1*R2)/(R1+R2)



There's more to it than that but hopefully that little bit helps.




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[edyle]

Quote Originally Posted by edyle View Post
1: What do watts do.
Well you have to change your coil eventually.
If you change to a different ohms from the old coil, you will have to adjust the voltage to match it.
If you are using watts, you won't have to adjust; it checks the coil and changes the voltage for you.

That is a statement that is widely used but completely false. Who says all ohm coils need to be or should be run at the same Watts. Along with that who says every juice tastes the best and produces the same vapor at said wattage.

More than likely if you are changing your topper that has a different ohm coil in it than the last one you will need to adjust the wattage to suite that ohm coil and whatever juice you have in that tank.

Sure there may be some people that always run at 15, 20, 25, 30 watts but that does not mean it is the best setting.

There is no difference between adjusting voltage or wattage. You turn either up or down and it controls the other. Higher or lower volts = higher or lower wattage. Higher or lower watts = higher or lower voltage.

"you won't have to adjust"
does not mean at all:
"need to be or should be run at"

For NEW vapers, wattage control helps them get started and succeed in the transition from SMOKING to vaping.

 

[yenmenthol]

Wow! Thanks for the response everyone! Definitely clears up a lot of my questions, and I loved the whole water hose example!

 

[Fir3b1rd]

Wow! Thanks for the response everyone! Definitely clears up a lot of my questions, and I loved the whole water hose example!

Haha I was so busy answering the science part of your question I forgot to answer the important part:
The best advice I can give you on a GOOD mod that'll give you Variable Voltage and Variable Wattage is the MVP2.0
http://101vape.com/variable-voltagewattage-devices/148-innokin-itaste-mvp-v20.html
For 40 dollars you get an extremely durable, dc output; variable voltage and wattage, 2600ah battery.
I had one for a good long time until it was confiscated by the woman. She loves it so much she wot give it back to me. I've known several experienced vapors that prefer this unit over most.
Whenever someone asks me about a good starter kit I always tell them
The MVP2.0 and a Kanger Aerotank.
With both of those you can customize every part of your vape- the unit gives you VV/VW and the tank gives you adjustable airflow so you can tighten Or loosen your draw.



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[Bunnykiller]

watts make you ask questions ... watt?
ohms is the answer you give..... oohhhmm.. uhhuh.. yup...

 

[Fir3b1rd]

watts make you ask questions ... watt?
ohms is the answer you give..... oohhhmm.. uhhuh.. yup...

Haha-
I saw this pic on another thread last weak -
Still has me laughing

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[zapped]

Personally, I would forgo watts altogether and go with a variable voltage mod as they allow a little more fine tuning of your sweet spot......unless you start to get into the 200 dollar and up range on VW devices.

 

[edyle]

Personally, I would forgo watts altogether and go with a variable voltage mod as they allow a little more fine tuning of your sweet spot......unless you start to get into the 200 dollar and up range on VW devices.

You mean for a cheap mod? Right?

 

[brianwert93]

i went through trade school for electrical and this was the hardest thing to get the hang of. that power wheel is burned inside my eyelids. haha