3.7v vs 5v

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kinabaloo

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The higher voltage is 'achieving' one of two things to give that extra throat hit: vaporising more of the nicotine, or burning the deposit more; perhaps both. Increased vapor temperature perhaps too.

The flavor loss is either due to masking by increased nicotine/deposit burning, or the flavors get degraded before vaporising.

Better to have a mod with two atomizers at 4v IMO. This gives increased current without increased burning and with increased juice flow too. Without the increased juice flow, the chances are that there will be increased burning. But the deposit burning seems pretty much complete even with just a 3.7v battery. This whole area is not well understood.

There is little really to be gained from an increased voltage except a faster heat-up and that maybe vaporisation is incomplete without it in some cases. Reports of less deposit with higher voltages could be be because of a more complete vaporisation; or it could be that there is more 'burn-off' of the deposit during normal operation (eek).

Of course, temperature controlled attys is the way to go.
 
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Majestic

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Apr 11, 2009
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I've got a manual Pass Through with a dual voltage of 4.6 & 5.2v. The 5.2v is great for producing lots of vapor with a minimum drag time. Great for taking a quick hit and for clearing the atty if it's starting to gurgle. Only thing at 5.2v it is a juice hog and the vapor tastes a bit watery to me. Kind of like sucking steam.

The 4.6v on the other hand produces a good amount of vapor compared to the 3.7v battery and has better flavor. As for throat hit I find it's slightly better at 5.2v, but rather opt for flavor instead. The throat hit can be tweaked with higher nic juice.
 

breakfastchef

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Feb 12, 2009
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There is a place for multiple voltage devices.

6 volts is ideal if you need some serious nicotine administration with analog-like throat hit. The flavor of the e-liquid is somewhat degraded. If you are a throat hit fan and want to reduce your nicotine, a high-voltage device can provide that extra sensation with juices of lower nic levels.

Around 5 volts is a very good compromise between throat hit and flavor. This is where I run most of my devices for many of the reasons posted by other forum members.
 

Cancer

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I know i had debated with the Puresmoker Prodigy i preordered, this very topic. It was originally through battery configuration either a 3.7v or 6.0v vaporizer. As it got closer to production, the specs were changed to a regulated 5volt output. You can pick either config and i have been debating it ever since.The owner/designer stated that 3.7 was "underpowered, and 6volts was a juice hog as well as concerns for "atomizer homicide". He stated 5 volts was the sweetspot for the combined factor of juice usage,atomizer life,flavor and vapor. I will hopefully be doing a mod soon, and these opinions will help with that decision too.
 

Nuck

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Feb 14, 2009
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I know i had debated with the Puresmoker Prodigy i preordered, this very topic. It was originally through battery configuration either a 3.7v or 6.0v vaporizer. As it got closer to production, the specs were changed to a regulated 5volt output. You can pick either config and i have been debating it ever since.The owner/designer stated that 3.7 was "underpowered, and 6volts was a juice hog as well as concerns for "atomizer homicide". He stated 5 volts was the sweetspot for the combined factor of juice usage,atomizer life,flavor and vapor. I will hopefully be doing a mod soon, and these opinions will help with that decision too.

I've now banged off about 8 mods with differing levels of success and have decided that variable voltage is the only solution. There are just too many factors that determine the type of hit someone may desire at a given time.

Here are a few of them:


  • Mood (relaxed longer pulls require lower voltage)
  • Atomizer model (obvious differences)
  • Atomizer brand (resistances vary)
  • Juice Mix (PG or VG, VG at higher voltages has potential health risks)
  • Juice Flavour (Some flavours 'burn' much easier than others)
  • Personal preference (flavour vs throat hit)

The only downsides to doing voltage regulation is it increases costs a bit and increases size requirements just a bit. Ive been using one for about a week and a half now and it is now my standard 'go to' vaper even though its an ugly bat box mod.

I now have better VR chips and better quality pots and hopefully can do a real mod with the new stuff. Will report any issues but so far VR is hands down the way to go for controlled vaping.
 

surbitonPete

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Jan 25, 2009
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I agree with Nuck on Voltage regulation for the same reasons but the only other thing is that like Kinabaloo says a controlled and fixed 'temperature' may actually be the best way to go, there does seem to be some very strange chemical reactions that go on at different temperatures and it's something that could do with plenty of study. It could well be that for the best possible safety of vaping a fixed temperature might be the best.
 

kinabaloo

Vaping Master
ECF Veteran
I agree with Nuck on Voltage regulation for the same reasons but the only other thing is that like Kinabaloo says a controlled and fixed 'temperature' may actually be the best way to go, there does seem to be some very strange chemical reactions that go on at different temperatures and it's something that could do with plenty of study. It could well be that for the best possible safety of vaping a fixed temperature might be the best.

Understand controlling the voltage but it is controlling the temperature that is the important thing. The coil would heat fast to chosen temp (could be adjustable) and stay there; no getting over-hot becuase the coil is running dry (so less/slower burning).

Even at 3.7v the deposit does become degraded to a black gunk. So perhaps it is the 'ashing'/'burn-off' of this gunk that adds the extra 'bite' to a higher voltage vapor; I don't think it is temperature of vapor and can't be increased vapor volume (except marginally perhaps)*.

~~~

* I wonder if it is increased volume of vapor, because the coil gets so hot that it can vaporise juice from the metal wadding too?
 

breakfastchef

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Feb 12, 2009
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The only downsides to doing voltage regulation is it increases costs a bit and increases size requirements just a bit. Ive been using one for about a week and a half now and it is now my standard 'go to' vaper even though its an ugly bat box mod.

I now have better VR chips and better quality pots and hopefully can do a real mod with the new stuff. Will report any issues but so far VR is hands down the way to go for controlled vaping.

Have you attained variable voltage with constant current? If so, at what current are you running your mod.

I completely agree that advanced vapers would love a variable voltage/constant current device for all the reasons discussed in this thread.
 
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