I'll be curious about battery life as well, when I finally get my hands on my Provari! I started out way back using the big red UltraFire 18650's, then went to the black AW IC 18650's. I now have a nice set of AW IMR's in 16340, 14500 and ordered a couple of 18650's for use with my Provari. It's a huge drop in mah from what I'm used to, so will be interesting to see how they do. I do like the ones I have though and much better performance with them too.
what voltage/atty are you vaping at with your provari?
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just a noob question....been reading the Provari forum past few days in anticipation for the arrival of the Provari.
I read alot of vaping at higher wattage ie above 10watts and was wondering about the difference between vaping at lower or higher watts - is it becos of better flavor or taste? I believe vaping at higher wattage will drain the batt faster.
Thanks!
I read alot of vaping at higher wattage ie above 10watts and was wondering about the difference between vaping at lower or higher watts - is it becos of better flavor or taste? I believe vaping at higher wattage will drain the batt faster.
Thanks!
The vapor will be much hotter at higher wattages. I think some juices don't taste as good or actually degrade at high watts. I'm usually in the 5 watt range and that works great for me.
I haven't got my provari yet and am really looking forward to it's arrival!! In deciding what vv mod to buy I did do alot of research on different devices and which atomizer, cartomizer, fluxomizer/clearomizer, and tank mod to use and at what voltage to use at different ohms. Here is what I've found most people say:
1.5 to 2.2ohm - 3.2 to 3.9 volts
2.2 to 2.4ohm - 3.7 to 4.2 volts
2.6 to 2.8ohm - 4.0 to 4.6 volts
3.0 or higher - 5 volts and above
Like I said earlier, I do not have a provari as of yet and do not know for myself that these settings are spot-on settings, but they seem to be good starting points from everything I've read and been told.
1.5 to 2.2ohm - 3.2 to 3.9 volts
2.2 to 2.4ohm - 3.7 to 4.2 volts
2.6 to 2.8ohm - 4.0 to 4.6 volts
3.0 or higher - 5 volts and above
Like I said earlier, I do not have a provari as of yet and do not know for myself that these settings are spot-on settings, but they seem to be good starting points from everything I've read and been told.
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ksmith you did a great job of providing a table of ohms and associated volts. Very helpful. I was thinking about the Provari but I was not familiar with what ohms carto/attys/clearomizers/etc. were used at what voltage. This is great! Thank you so much.
I'd pretty much agree with o=your chart there.
Just today I was using a 2.2Ω tank atty and getting annoyed at my regular 3.7v, just wasn't satisfying .. pumped it up to 4.7v for a quick 'fix' and so thoroughly enjoyed it that i used it like that for a few hours. The headache is fading now
lol, thats what I get for being a nic pig.
Been a day of extremes, I was in a butcher and 'Snake bite Chilli jerky' caught my eye. I had to have it. very apt name, it appears to bite you on the tongue first contact. damn good stuff though, I was in need of a chilli fix.
Just today I was using a 2.2Ω tank atty and getting annoyed at my regular 3.7v, just wasn't satisfying .. pumped it up to 4.7v for a quick 'fix' and so thoroughly enjoyed it that i used it like that for a few hours. The headache is fading now
lol, thats what I get for being a nic pig.
Been a day of extremes, I was in a butcher and 'Snake bite Chilli jerky' caught my eye. I had to have it. very apt name, it appears to bite you on the tongue first contact. damn good stuff though, I was in need of a chilli fix.
I haven't received my provari yet, but since I did study in electrical engineering I suppose that many people with slightly different setups will get different battery life.
The higher the impedance (ohms) on your atomizers the longer the battery will last, since the power usage will be lower. (P = UI, or Power = voltage * current, where current = Voltage / impedance. Basicaly Power = Voltage * Voltage / impedance).
With this little equation, you can also see that the amount of power drawn for your batteries will also be highly affected by the voltage you set it to ( BTW I hate the term "voltage" the real term is tension). If fact even a 0.1 voltage(arrggg!) increase will be significant since it is squared to give you the amount of power being drawn.
High drain batteries are also a significant game changer for battery life, they should last longer. Well actually they should last for a shorter period of time, but the amount of time you are pushing the button to get the hit and vapor should be less to get the same thing. So a 18650 high drain vs a 18650 normal protected should theoretically last longer since it is more effective.
The best thing to do is to find an ejuice you like that has great TH, taste and vapor for a lower voltage setting and with an atomizer using higher impedance. I have seen some people loving certain juices with a 4.4v setting and with a 3.2 ohm cartomizer or map tank. I think that looks like a pretty good sweet spot.
4.4 *4.4 / 3.2 = 6.05 watts. Which gives you about 1.375 Amps, and these batteries are rated for use with around 3 amps, so a little below half to give it room to breathe . @ 1600mAh that means these batteries can put out 1.6 Amps for 1 hour straight and then have to be recharged. So basically you could push down on your PV button for 1 hour @ 5v with a 3.125 Ohm atty without ever letting it go (that is if you had a indestructible atty) and then you would have to recharge. The above 4.4v with 3.2 ohm gives you (1.6/.1375 = 1.16 * 60 minutes = 69.81) a whole 10 more minutes of constant ON power. Now considering you just hold on the to power button a few seconds at a time per vape, 10 minutes is actually a whole lot.
But yeah, it all depends on how big of a vaper you are.
Another thing that is important to note is that even if you vape allot and your batteries don't last as long this really isn't a big problem, at least not in my opinion. If you are using a standard ecig (not a mod) then yeah OK i can understand. Draining the batteries completely down will shorten the life span of the device and it is more of a pain to carry these. As far as batteries for a mod go, even if they don't last you all day, it is pretty easy to just carry an extra one in your pocket, since the battery itself isn't that big. Two of them should definitely last you for a full day and night (18650s). And also take in consideration that those batteries are 10$, and they will last a long time, even when charging them every night.
The higher the impedance (ohms) on your atomizers the longer the battery will last, since the power usage will be lower. (P = UI, or Power = voltage * current, where current = Voltage / impedance. Basicaly Power = Voltage * Voltage / impedance).
With this little equation, you can also see that the amount of power drawn for your batteries will also be highly affected by the voltage you set it to ( BTW I hate the term "voltage" the real term is tension). If fact even a 0.1 voltage(arrggg!) increase will be significant since it is squared to give you the amount of power being drawn.
High drain batteries are also a significant game changer for battery life, they should last longer. Well actually they should last for a shorter period of time, but the amount of time you are pushing the button to get the hit and vapor should be less to get the same thing. So a 18650 high drain vs a 18650 normal protected should theoretically last longer since it is more effective.
The best thing to do is to find an ejuice you like that has great TH, taste and vapor for a lower voltage setting and with an atomizer using higher impedance. I have seen some people loving certain juices with a 4.4v setting and with a 3.2 ohm cartomizer or map tank. I think that looks like a pretty good sweet spot.
4.4 *4.4 / 3.2 = 6.05 watts. Which gives you about 1.375 Amps, and these batteries are rated for use with around 3 amps, so a little below half to give it room to breathe
. @ 1600mAh that means these batteries can put out 1.6 Amps for 1 hour straight and then have to be recharged. So basically you could push down on your PV button for 1 hour @ 5v with a 3.125 Ohm atty without ever letting it go (that is if you had a indestructible atty) and then you would have to recharge. The above 4.4v with 3.2 ohm gives you (1.6/.1375 = 1.16 * 60 minutes = 69.81) a whole 10 more minutes of constant ON power. Now considering you just hold on the to power button a few seconds at a time per vape, 10 minutes is actually a whole lot.But yeah, it all depends on how big of a vaper you are.
Another thing that is important to note is that even if you vape allot and your batteries don't last as long this really isn't a big problem, at least not in my opinion. If you are using a standard ecig (not a mod) then yeah OK i can understand. Draining the batteries completely down will shorten the life span of the device and it is more of a pain to carry these. As far as batteries for a mod go, even if they don't last you all day, it is pretty easy to just carry an extra one in your pocket, since the battery itself isn't that big. Two of them should definitely last you for a full day and night (18650s). And also take in consideration that those batteries are 10$, and they will last a long time, even when charging them every night.
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hmm, I did electronic engineering and have never used the word tension .. I guess thats an electrical term .. eg high tension wires
obviously vaping at 10W will shorten a cell faster in actual button press time in with 4W. However you have not considered at all the fact that vaping at 10W will evaporate more juice than at 4W, a user is likely to press the button a lesser amount in this case. Perhaps the cell will last longer at 10W than 4W .. unlikely but taking all variables into consideration means its possible.
I have seen mention that nicotine effectively is denatured as soon as it contacts the hot wire and is mixed with oxygen, suggestion being this is the reason we use far more nicotine in ecigs than in normal cigarettes, that .. and they add ammonia to stabilise the nic. This throws another big variable into the equation as a higher power atty may well destroy more nicotine than a lower wattage. This will affect how often button is pressed. Atomiser design and juice chemical make up will affect it too.
Theres simply too many variables to crunch the numbers like this. I change battery when the switch starts flashing or before.
My macbook pro battery pack cycle rate is incremented by one if I either fully discharge and recharge .. or discharge by 10% and recharge 10 times. A while ago I looked at manufacturer recommendations on these cells. It matters not how far they are discharged so long as they are not over discharged. The main thing is not to leave them in a discharged state as the chemistry deteriorates the cell rapidly if left discharged. Reading between the lines there would tend to indicate that recharging when only partially discharged should increase lifespan.
obviously vaping at 10W will shorten a cell faster in actual button press time in with 4W. However you have not considered at all the fact that vaping at 10W will evaporate more juice than at 4W, a user is likely to press the button a lesser amount in this case. Perhaps the cell will last longer at 10W than 4W .. unlikely but taking all variables into consideration means its possible.
I have seen mention that nicotine effectively is denatured as soon as it contacts the hot wire and is mixed with oxygen, suggestion being this is the reason we use far more nicotine in ecigs than in normal cigarettes, that .. and they add ammonia to stabilise the nic. This throws another big variable into the equation as a higher power atty may well destroy more nicotine than a lower wattage. This will affect how often button is pressed. Atomiser design and juice chemical make up will affect it too.
Theres simply too many variables to crunch the numbers like this. I change battery when the switch starts flashing or before.
My macbook pro battery pack cycle rate is incremented by one if I either fully discharge and recharge .. or discharge by 10% and recharge 10 times. A while ago I looked at manufacturer recommendations on these cells. It matters not how far they are discharged so long as they are not over discharged. The main thing is not to leave them in a discharged state as the chemistry deteriorates the cell rapidly if left discharged. Reading between the lines there would tend to indicate that recharging when only partially discharged should increase lifespan.
As far as the the tension/voltage terms, this is something that has been forced into my mind by several teachers over the 3 years I was in engineering classes. I am french so we might use different terms and it may not be the same in English but here was the reasoning behind telling us this (We do actually say tension and voltage in french also:
Tension :The force, or pressure, of electricity. Also known as "potential." Given value expressed in volts.
Voltage : An electromotive force or potential difference expressed in volts. Term derivative from the term "volt", hence "volt"age, in layman's terms.
Also I would like to point out that you are right. Vaping at 10watts will definitely increase the amount of liquid consumed compared to 4 watts. But just how much more vapor is produced is not quite clear. There is a definitive increase, but is it really that significant ? I couldn't tell since I haven't tried this out yet, and I am not a chemist
Like I said it all depends on the user. If they get a better experience at higher power, then go ahead, just remember to carry a spare battery or two. If you are satisfied with a lower power, then hey!, better battery lifetime for you. It's all about personal choices... but vaping on a lower power will definitely increase how long your battery will last. So if you see the red light blinking and are far from home without extra batts, might be a good idea to lower the tension (voltage) and get a few more minutes of continuous vaping out of it.
As far as the nicotine levels being concerned, interesting read Stonemull, I will be trying to gather info on this!
Tension :The force, or pressure, of electricity. Also known as "potential." Given value expressed in volts.
Voltage : An electromotive force or potential difference expressed in volts. Term derivative from the term "volt", hence "volt"age, in layman's terms.
Also I would like to point out that you are right. Vaping at 10watts will definitely increase the amount of liquid consumed compared to 4 watts. But just how much more vapor is produced is not quite clear. There is a definitive increase, but is it really that significant ? I couldn't tell since I haven't tried this out yet, and I am not a chemist
Like I said it all depends on the user. If they get a better experience at higher power, then go ahead, just remember to carry a spare battery or two. If you are satisfied with a lower power, then hey!, better battery lifetime for you. It's all about personal choices... but vaping on a lower power will definitely increase how long your battery will last. So if you see the red light blinking and are far from home without extra batts, might be a good idea to lower the tension (voltage) and get a few more minutes of continuous vaping out of it.
As far as the nicotine levels being concerned, interesting read Stonemull, I will be trying to gather info on this!
post stolen .. hope thats acceptable...
Title: Re: Liquid changing color
Post by: Nick OTeen on December 06, 2010, 05:31:58 PM
Freebase nicotine is a very reactive chemical, and it will tend to change colour in solution (which colours it turns depends on what it's mixed with, though pink is typical in PG, and yellow in PEG.) Different flavouring compounds can also contribute to colour changes, though the main agents of reaction are light, heat and exposure to free oxygen.
It's a purely cosmetic factor IMO - I don't believe much (if any) nicotine is delivered as freebase in vapour anyway, since it will react immediately in the presence of the heat generated by a glowing filament (quicker than you can get it into your lungs.) This is probably why we don't get as much of a head rush from vaping as from analogs (analogs do a pretty good job of preserving the freebase, because they use ammonia to crack it, and it's inhaled in micro-globules of tar in a stream of oxygen-depleted air, that's already passed through the combustion zone at the tip of the cig. In comparison, you're sucking fresh, fully-oxygenated reactive air into your ecig, to mix with very hot, vaporized nicotine.) It would be hard to design a better way to degrade freebase nicotine if you tried, but we know from experience that vaped nicotine is still satisfying
For best storage conditions, keep it cold, keep it dark, and keep it airtight. But don't worry if it darkens - you'll still get the same nic buzz, and the flavour isn't unduly affected. I have some nearly year-old old cinnamint on my desk (deliberately exposed to ambient light and heat in a bottle half-full of air,) that's now black, but still tastes fine and delivers the same nicotine 'hit'. A similar vintage of menthol is still only very slightly pink, while vanilla is bright red, and rhubarb crumble is deep brown.
FWI .. I do get a lot less battery life on provari at 4.5V than I do at 3.6V .. I also get a lot more nicotine though
I took it out all day with me on a 300k drive but left it on 4.5V, I also took an eGo as a backup, I prefer to take a whole seperate ecig now as backup, then I am covered for battery or atty failure. provari went from 11am to 8pm vaping heavily before led started flashing, battery check said 3.4V, I usually get a whole day on 3.7v.
I took it out all day with me on a 300k drive but left it on 4.5V, I also took an eGo as a backup, I prefer to take a whole seperate ecig now as backup, then I am covered for battery or atty failure. provari went from 11am to 8pm vaping heavily before led started flashing, battery check said 3.4V, I usually get a whole day on 3.7v.
No, I have not used the short battery cap at all .. I didn't buy any 18500's. That was with the 1600mAh 18650 IMR's.
I left the settings and atty as was and got over 24hrs before the subsequent battery change, so it was a heavy vaping day obviously.
I left the settings and atty as was and got over 24hrs before the subsequent battery change, so it was a heavy vaping day obviously.
An aw imr 18650 lasts me about a day and a half. I only vape about 2-3 ml a day tho.
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