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  1. There are a number of different variable wattage mods available right now - and they all have variable voltage as well. Some-one asked which one to buy, so I thought looking at a few options in one place might help. It can be hard to decide when the options are scattered around from one link to the next. I'll put pictures as well, and links to video reviews - all of these are good:

    1. The Zmax. Most people agree that the Sigelei Zmax is the better version Zmax. It has an OLED screen, vv/vw, ohms check, battery voltage check and safety features. Is a one size mode - can't be used in a shorter mode. Sturdy build. One button menu. Volts adjust from 3.0v - 6.0v. Watts adjust from 3.0w - 15w. The Zmax has RMS - and tests have shown it is accurate. What you set on the display is what the output is.

    Sigelei Zmax video review by Phil Busardo here.
    Video review by Scott Bonner here.

    Sigelei Zmax:

    [​IMG]



    2. The Vamo - very popular. I have a couple myself and have used one pretty heavily for the last 3 months. One of the pluses for this is it can be used with two different size batteries, so you can have a shorter mode or full size. The full size mode is long, and I find the shorter mode better for out and about.

    It has a three button menu, which a lot of people find more convenient because the user doesn't have to keep clicking through the menu with one button. The Vamo is an inexpensive mod but does everything a Zmax can do. Volts adjust from 3.0v - 6.0v. Watts adjust from 3.0w - 15w. The Vamo also has RMS - and tests have shown it is accurate. What you set on the display is what the output is.

    Vamo video review by Phil Busardo here.
    Video review by Scott Bonner here.

    Here's a pic of the Vamo in short size:

    [​IMG]

    And here is a pic of it full size, next to a Smoktech Zmax. Vamo is on the right:

    [​IMG]



    3. The Evic. The Evic can be connected to your pc and you can download updates, set user profiles and monitor your usage. You can see all the info you want on the main screen, and adjust the voltage or wattage by simply turning a wheel. Any upgrades can be downloaded straight from your computer to the Evic. It can be charged by usb or you can charge the batteries separately on a charger. Although it only comes in one size, people have found it works with Joye Ego mod tubes, which are cheap to buy, and so it can be used as a stealthier shorter device too. Volts adjust from 3.0v - 5.0v. Watts adjust from 2.0w - 11w. I'm not sure what regulation the Evic uses but its not quite as accurate as the others I've mentioned here. Reviewers test results have shown this. A lot of people enjoy using them, and it may be a bit more of a vape by taste experience at some settings.

    Evic video reviews by Phil Busardo here and here.

    The Evic:

    [​IMG]



    4. The Innokin iTaste SVD. Initial reviews of this say it feels like a high end device. It is long full size - longer than a Vamo. On the other hand - I think it may be the best quality vv/vw mod that has come out. It telescopes - so you can simply turn it to small, mid or full size - and use different size batteries with it. It has a three button system. Its expected to go on sale around the beginning of March 2013. Volts adjust from 3.3v - 6.0v. Watts adjust from 3.0w - 15w. The Innokin iTaste SVD has RMS - and tests have shown it is accurate. What you set on the display is what the output is.

    Innokin iTaste SVD video review by Phil Busardo here.
    Short video preview by Optimo here.

    Innokin SVD:

    [​IMG]



    These devices all do the same things pretty much, with some having extra features. So it comes down to which kind of look and size you want, or do you want to use it in more than one size. Also the menu - a one button menu system means clicking through several times to get to the feature you want. Three buttons means less clicks and easier navigation. Then there's the Evic - which comes with a computer interface.

    There are a few others too, such as the AnyVape CVI, Zmax mini, and the Zmax 3 telescope. I've just put some main ones here. As always, I recommend looking up some youtube videos before you buy a mod, and check out the forum as well. I've explained how variable wattage works, and why I prefer it in this post:
    Variable Voltage and Variable Wattage


  2. I tried a few little experiments today because I'd read some-one else's views about their Vamo, and I wanted to test a few things out, including what the hits are like using different battery set ups. I have never used stacked 18350s before with the Vamo, but did try out a few things using one 18650, and two 18350s today. This post isn't overly technical but if ohms and volts, and a few numbers aren't your thing - you may want to skip on down to the previous post.

    First I wanted to test if the Vamo gives a harsh and too hot vape using two 18350 batteries. I set the watts on the Vamo on the lowish side at 5 watts with a 2.5 ohm vivi nova.
    With one 18650 battery this was ok. When I stacked two 18350s the first hit was hard, strong and a burnt taste. I have read that some-one experienced this before but I've never had it happen with an 18650 - so was surprised when it happened with two 18350s. After the first hit with stacked batteries it normalised. It did seem to be hitting a little harder - but below you'll see that with this particular vivi nova it was also reading the ohms as 2.7 and not 2.5 in the two battery configuration.

    On the second vivi nova the Vamo read the ohms correctly in both modes - 2.9 ohms. I set the Vamo to 5 watts and tried with the two battery configurations again. I started with the two 18350s as they were already in the Vamo. No harsh first hit this time with the two 18350s. It did feel stronger in terms of the vapor production, but not burnt or anything. Tried with an 18650 - still good but slightly weaker than the two 18350s. I tried some different voltages as well and they were comparable in both configurations. It did seem slightly stronger with the two 18350s but there were no major differences that I could detect.

    My conclusion - I don't usually stack batteries on my APVs anyway - there were some slight differences between the battery configurations, and there was definitely one harsh hit on the very first hit with one of the vivi novas and two 18350s. No major issue here that I could see.

    I measured and compared the ohms on two vivi novas. These were the results:
    Vivi nova no. 1
    Multimeter - 2.9 ohms
    Vamo 18650 - 2.9 ohms
    Vamo 2x 18350 - 2.9 ohms

    Vivi Nova 2
    Mulitmeter - 2.5 ohms
    Vamo 18650 - 2.5 ohms
    Vamo 2x 18350 - 2.7 ohms

    So a difference of 0.2 ohms with 2x 18350s on one of the vivi novas.

    I've seen an hypothesis put forward that the 33.33hz PWM on these sort of devices causes burnt hits with clearomizers. It hasn't been my experience. Up until today when I stacked the 18350s for the first time I haven't had burnt hits at all, and I've used vivi novas a lot. I mean everyday. I had one bad hit with the stacked 18350s today - the first hit with one of the vivi novas - and then it normalised. This was straight after I put the 18350s into the Vamo, and changed from 18650 mode. It's been suggested elsewhere on the forums that this changeover to 18350 straight after an 18650 can result in a first hard hit if you don't pulse the Vamo fire button once to allow it to re-read the voltage.

    I wouldn't say my simple tests today are comprehensive or completely conclusive. I used the same Vamo each time. I own two so I could test out both side by side at some point and see if the results are the same.

    At this point my experience with the Vamo and Zmax doesn't match the hypothesis that there are 6 volt "spikes" causing bad tasting vapes. Some people have mentioned noticing a subtle difference between some mods - it may be there. But I'm not noticing anything significant. What I did notice is that when I took out an 18650 battery, put in two 18350 batteries and vaped straight away the first hit was harsh. I think this was because I didn't allow the Vamo time to "read" the new voltage from two batteries and reset itself.

    If I get time I'll do something wider with both Vamos and a Zmax - all in RMS. For now that's where I'm up to with it.
  3. There was a question on the forum today asking if APVs (or mods as we call them often) are really any different, and asking if they just do the same thing anyway - if we removed differences like variable wattage and durability. There was also a question about why people have more than one - are they just collecting them or is there a reason. I added some thoughts and though it would be good to put them here as well.

    APVs (advanced personal vaporizers) aren't all the same, and that's the value of having variety to choose from. Whether its tube vv, tube vv/vw, bottom feed vv, box mod vv, box mod vw...

    For starters the size and shape alone can be a factor. People have different size hands, some have arthritic conditions or other medical issues - the size, shape and weight of an APV can be important. Some want a stealthier size for work and want a small 18350 mod, some are fine with taking an 18650 mod to work.

    Trying to eliminate the features seems too reductionist an approach to me. There is more to APV choice than just that there are watts and wire temperature and vapor comes out. Its like trying to reduce car choices to one model. The car comparison analogy does get used a lot, but can be useful. One person drives a small hatchback to work because its easier to fit into small car park spaces in a crowded city. Another drives a four wheel drive because they are ferrying the kids from school to sport and its good for vacations. Or they may own both types to fit all their needs. You can't eliminate the differences.

    My observation is that people buy APVs for a number of reasons. Everything from the color, size, overall look, whether its vv or vv/vw, liquid feed or no, menu system, menu features, threading... I don't think there's a point in trying to reduce them to one factor because that's not reality.

    I don't know why it matters what some-one's reason is for having more than one APV - its their choice. But this doesn't just apply to APVs - people own more than one ego, or cig size, or whatever pv as well. It can be because different ones are used in different situations - one preferred for work, one for home. Some people like to decorate them and use different ones for different occasions. Good thread here for any of the ladies who want to post pics or get ideas for that:
    Show us your girly, pretty, decorated, pink!

    Its not just ladies who dress up their pvs. For some its a practical thing, for others its fun, and for some its having different ones to go with different occasions/places. People don't wear the same clothes 24/7, 365 days a year, and some don't want to use the the same APV all the time.

    Some people do like to collect them, and if they want 4 iHybrids or 3 Caravelas then why not? Its their choice and they like them. People collect all sorts of things so I would expect some people would collect APVs. I have a few APVs myself because I want back ups for back ups, the size of one is better for work, another is mechanical and useful for RBAs etc. Each person is going to buy what they want and can afford, to suit their own view of what an APV is for, what they want in one, and why they use it.

    We're in a great time to be vapers in one way - the options available are great and there is something to suit everyone. On the other hand our freedom to vape is under threat in many places around the globe, and even banned in some. I think some people have more than one APV at the moment because they wanted to stock up too.
  4. I've been getting into rebuildable atomizers lately. These seem to have had a surge in popularity lately with quite a few newer vapers taking an interest and asking questions. This post is a general explanation of what they are, and I'll post a helpful video I came across here too.

    What's the difference between a dripping atomizer and a rebuildable atomizer? A dripping atomizer is just an atomizer. You can buy them already made, and you can buy rebuildable atomizers. The difference between the two is that one eventually gets tossed, and the rebuildable is the one you put your own wicks and coils in.
    Then there are rebuildable atomizer/tanks - same principal but they hold more juice. I am using an AGA-T+ right now - its a rebuildable atomizer/tank that holds 3 ml.

    Then there are hybrids. Hybrids are pvs with a reduildable atomizer/tank attached. To use these you need to rebuild (add wick and coil) the atomizer. You can't use anything else on these except the attached atomizer/tank.

    Some people pick up rebuildable atomizers first off, but others have a steep learning curve with them. They aren't for brand new vapers, and if you decide to try them you will need a digital multimeter and a mod with good batteries, preferably IMR. Coils can short, so don't try rebuildables without doing some reading and knowing how to be safe with them. The Genesis type involve making a wick from stainless steel mesh, finding the right wire that suits you - most people use kanthal wire. Then there's the wire thickness and resistance. Set up is not too hard, but the difficulty can be in getting hot spot on the coil and having shorts.

    For rebuildables dripping atomizers, the Phoenix is a good starter I think.
    I found this video useful when I rebuilt the Phoenix:

    [video=youtube;UkkEoQoJvXM]http://www.youtube.com/watch?feature=player_embedded&v=UkkEoQoJvXM#![/video]

    Here's a pic of a Phoenix type rebuildable atomizer on my CCST:

    [​IMG]

    For rebuildable atomizer/tanks - there are different ones. The AGA-T+ is a Genesis type that is popular at the moment. I didn't find it too hard, but they do require patience to set up the first time. There's a whole thread on them here, and I suggest reading before buying - to find out what you need and what you need to do:
    Has anyone tried the AGA Tiamat PLUS w/Glass Tank

    Here's a picture of the AGA-T+ on my Vamo:

    [​IMG]

  5. [​IMG]

    Got a nice extra in the mail yesterday. I'd ordered a CCTS, which is a completely mechanical mod, from a vendor in Indonesia. One reason I wanted this is I am going to try out an AGA-T+ soon, which is a rebuildable atomizer/tank. Mechanical mods are good for testing out coils when rebuilding. Anyway, as well as the CCTS I also was sent a free Phoenix type rebuildable atomizer. Its a clone of a Phoenix actually, but from reviews I've watched it is said to be as good as the original. So I spent an evening dripping and vaping with the Phoenix and have found it very good to use. Just used the stock coil and wick and had to fiddle with the coil a few times - great vapor production and flavor. The coil was 2.9-3.0 ohms so it while it worked with the CCTS the resistance was a bit high, but it worked very well on the Vamo because I could up the wattage. Will do my own coils when my other supplies arrive. The CCTS telescopes so can be used with different size batteries. Here's another pic of the set up:

    [​IMG]

    An update: I used the CCTS exclusively all yesterday evening with Vision vivi novas. It performed well. It's well put together and the threads are smooth. I haven't used a pinky button mod before so that took a little getting used to. Didn't take long to be enjoying that feature too. The fire button can be screwed outwards which locks it so there are no accidental fires while the CCTS is left unattended or carried around. The are safety vent holes by the fire button and up on the burl around the top piece. The top has 4 small square grooves cut into the sides which allow for airflow - and that's one of the reasons the vivi novas work well with it.
    I'm pleased with this mechanical mod. Even full size with an 18650 battery its not really big - its noticeably shorter than a Zmax for example. That's due to the CCTS not having a circuit board needing space inside of course.
  6. This is the latest example of this sort of scam - stay away from e-cig vendors who ask you to sign up for free trials or incredibly cheap introductory offers. Research is your friend with these sort of scams. Here's what really happens - you sign up for an amazingly low priced deal on an ecig and some cartomizers. Then a little later you notice your credit card has been charged for a much larger amount - it could be $100 or more.
    What happened?

    In the fine print on these sites it says you are signing up for repeating orders, which you will be automatically charged for. They charge excessively high prices for items you could buy much cheaper elsewhere.

    Here's an article in Spinfuel, an online vapers magazine, on the Saphire ecig scam:
    http://content.spinfuel.com/2013/01/scam-alert-saphire-electronic-cigarettes/

    I've never subscribed to one of these scams myself, but unfortunately people are sometimes taken in by them. If this happens to you, contact your credit card provider and stop the automatic payments as soon as you can.
  7. If you are looking at buying your first mod it can seem a bit daunting with all the choices. A lot of vapers have questions about which kind of mod to get, and many are looking for variable voltage or variable wattage.

    Variable voltage means you can adjust the voltage output on your pv - which needs to be within the right range for the resistance of your attachments (cartos, atomizers, clearos etc). If you mismatch the volts and resistance you can blow the coils on your attachment.
    Variable wattage means you can adjust the power in watts - and the pvs that have this function automatically adjust the volts to the resistance for you. So you don't have to calculate it.

    Its really a matter of preference. VW is more convenient. As some-one once said, its like having cruise control.
    For myself, I prefer variable wattage over variable voltage because I can switch from one accessory to another and stay at the same watts. Or I can adjust watts and not worry about calculating whether the volts are ok with the ohms. The variable wattage device adjusts the volts automatically to the right level.

    A great thing about the newer variable wattage pvs out now is that they also have variable voltage. So you can use either one and experience both. The Provari is variable voltage only - which is too limiting for some-one like me because I prefer variable wattage a lot more.
    For the best variable wattage and variable voltage pv I'd say right now probably the Sigelei Zmax. With this you get the best of both worlds. A good vendor will give you a reasonable warranty - for a Zmax a 6 month warranty is what I went for personally. I have two Smoktech Zmaxs.
    The Vamo is variable wattage and variable voltage at a reasonable price and also performs well.
    Best pv for only variable voltage is probably the Provari. Although I wouldn't put it very much ahead of the Zmax for variable voltage. Both do the job well.

    Purely mechanical mods have no built in circuitry - its hard to pick just one or two good ones as there are some beautifully made mechanical pvs, such as the Caravela, the GGTS, and the Adam. There are also some good less expensive mehanical mods, such as the Smoktech telescope, the CCTS, and quite a few others. Mechanical mods are 3.7 volt vaping devices, and you need to keep an eye on the battery charge after a while so that it doesn't go down too low.

    There's also the hybrids such as iHybrid - these have a built in rebuildable atomizer/tank. There's a real learning curve with rebuildables, so if those are of interest I'd recommend getting a cheap rebuildable atomizer first to see if you like them and take to them.

    Edit: I should mention the bottom feeder mods as well. These are mods that have a e-juice feeder inside and are like dripping mods. The vaper can continually drip by a slight squeeze on the side of the juice bottle inside the mod and e-juice flows up to the attached atomizer or cartomizer. The Reo mods are a popular type. The Vmod is also a popular e-juice feeder mod. These sort of mods are usually box mods with a hole on the side to allow part of the juice bottle to be squeezed.

    There are mods I haven't covered here too - like e-pipes. There are some beautiful e-pipe mods.

    It always pays do to do some research with mods - look up reviews on youtube, visit the APV forums and read users feedback there too. And invest in good IMR batteries such as AW IMR or Efest IMR, and a good charger. Xtar and Pila chargers have a good reputation. I use the Xtar WP II myself.

  8. So many of us have experienced this. We quit smoking, took up vaping, and after a while - maybe straight away even - we started coughing up gunk. There was an interesting question on the forum recently asking if the moisture from vaping was breaking up tar in our lungs.

    I'm not sure that moisture from vaping is breaking up tar. I think not having smoke going into the lungs is the big key. The cells can regenerate without suffering damage. With smoking, new cells are subjected to the smoke so it becomes an ongoing vicious cycle. Take away the smoke and the regenerated cells don't sustain that damage.

    Another thing that happens with smoking is that the cilia in the lungs get paralyzed by the smoke. Cilia are like tiny hairs meant to sweep up gunk. I think its most lilely that when we stop smoking the cilia recover, and start sweeping up some of the gunk.

    Another possibility is that although we are vaping nicotine, it may be less than when we smoked. Nicotine is vaso-constrictive. When smoking this meant it constricted the blood vessels in the lungs - which meant the lungs did not work as well.
    With a lower nicotine intake the blood vessels work better - so the lungs work better - and we breathe deeper and cough up more of the gunk. Smoking can also damage the alveoli - the tiny air sacs deep in the lungs. So as the lungs start functioning better, the gunk starts coming up.

    All of that is dependent on how much we smoked, for how long, and the general health of our lungs. I coughed every day, throughout the day, for three months when I was smoking. When I stopped smoking I coughed up a bit of gunk for the first three days - then it stopped. I feel so much better these days.
  9. Some people start vaping with the goal of weaning themselves off nicotine over a set time period. Others just start vaping and are glad they are off cigarettes. On when to quit vaping - I don't think there is a prescription that will fit everyone. I smoked 40-50 a day. No way I would stop vaping after say, 4 months. I am at 12mg nicotine now with some 6mg and 0mg as well. 8 months off cigarettes, and I'm not rushing to quit vaping. I smoked for over 30 years. I've only been vaping 8 months by comparison.

    If your goal is to have an end date to vaping then you can plan it out. I think I'll just know when that time comes. I decreased my nicotine naturally as time went on - I realised I could probably handle lower nicotine so I would try some.
    One mistake I've seen some new people make is rushing the quit vaping idea - or not wanting to buy the vaping supplies they need now because they think vaping is going to be short-term. Unfortunately some of those people end up dissatisfied with vaping and take up smoking again.

    So vape what you need to, when you need to, for as long as you need to.
  10. After reading a post by a new member whose Ego mini exploded after using it with the wrong charger, I thought I'd do a quick post on using a a lipo safe battery charging bag. I've previously posted on mod battery safety and how to use a digital multi-meter. With this post I want to show you a few pics on how to use a charging bag. These aren't just for use with mods/APVs, but can be used with any size pv. More explanation after the pics.

    View attachment 161618 View attachment 161619 View attachment 161619 View attachment 161620 View attachment 161620

    Click on the pics for a bigger view. The pics start off with the charger, then I have it in a metal pan. I usually put the bag in the pan, but got a better photo of it out of the pan.
    The last pic shows the LED lights on the charger. Some people say they don't like not being able to see the charger LED lights, because its best to remove a battery once charged. With this one I can see the LED through the bag. With smaller pv batteries this is different of course, but they can still be put in the bag, and a charging bag is a good asset to have.
  11. A couple of pics of the new chrome Vamo:

    [​IMG]

    [​IMG]
  12. A little late with this, but did want to post my experience with the Zmax 2. It's created a stir because it has both variable voltage and variable wattage, and is accurate. I've been using it pretty heavily for several weeks now. I bought a stainless steel version 2 from Electronic Cigz. Like the Zmax 1 it can be used with a single 18650 or two 18350 batteries. I've been using it with an 18650 AW IMR.

    It's solid without being too heavy. I've dropped it a few times with no damage being done. This version has the 8th menu - which has the option of using EAN - an average voltage or wattage, or ANS - the RMS accurate voltage or wattage. I've kept it in RMS mode. In terms of actual vaping, using the accurate RMS just means I set this lower than my Zmax 1. However RMS does have the advantage of being able to compare watts or volts with other accurate devices, and will be useful for those who do rebuildable atomizers as well.

    I really enjoy vaping with it. It checks the ohms of whatever is attached, and I've checked this out several times and it's accurate. There's plenty of power - more than I need, since it goes from 3-15 watts. The vape stays consistent at the watts set, and doesn't start tapering off when the battery gets lower on charge. I have been getting a great vape from it and find I prefer using the variable wattage mode for adjusting the taste and warmth or coolness of the vape.

    Some users have commented on a "fluttering" sound when they fire the Zmax. I can't hear this when using vivi novas, but can hear it when using cartomizers. It isn't loud, and for me doesn't make any real difference. It also fires for about half a second to a second after firing and releasing the button. It's a quirk with the pv, but something that I'm so used to now that I don't notice it anymore either.

    The version I have has vented holes in the bottom cap. One larger hole and four smaller ones.
    Some pics of my Zmax 2 here.

    For those interested in accuracy, some test result links below:

    Mountain Prophet's test results on volts and watts
    (Use Google translate for the text. The numbers in bold black are for the Zmax 2, the numbers in ordinary type are for the Zmax 1).

    Morandir test results on the 18350 - RMS on watts

    Morandir test results on the 18650 - RMS on watts

    Phil Busardo also looks at the numbers in his youtube review, which I previously posted here on the blog as well.
  13. I'm not a fan of "vs" posts, which is why I changed the title to reflect having both variable volts and variable watts on one device. For myself, I prefer variable wattage over variable voltage because I can switch from one accessory to another and stay at the same watts. Or I can adjust watts and not worry about calculating whether the volts are ok with the ohms - the device, such as the Zmax, adjusts the volts automatically to the right level.

    With variable voltage I have to use ohms law and make sure I'm running at the right resistance for the volts I've set the device at. If I really wanted to do the math I'd switch to variable voltage on the Zmax, since it has both variable voltage and variable wattage. But in my own vaping I prefer watts over volts about 98% of the time. I rarely use the variable volts. I use variable volts for dry burning coils and that's about it. I just prefer adjusting watts, and the rest takes care of itself. I don't want to do math before I vape something if there's a way not to. If you saw me first thing in the morning you'd get why I prefer watts. Its not that I don't have to use math in my life, but for vaping I use variable watts to keep it convenient and easier to use. I have both options on the same mod and I know which I like most.

    I can also adjust watts with different juices, and again not worry about volts and ohms being mismatched since it adjusts the volts automatically. Since I have a lot of different juices this works well for me. Sometimes I just change the watts with the same juice - depending whether I want it a little cooler, or I feel like getting the warmer taste. I like some juices at more than one temperature. So I adjust the watts, which is the power, with a simple click or two and vape.

    What I've been reading by other vapers using variable wattage is that they find it very convenient, and like being able to switch accessories or change the power without having to worry about the volts and ohms match. If some-one uses the same delivery system, with the same resistance, and the same juice all the time then sure, they could use variable volts or variable watts and not really vary either. But a lot of people use several juices, try out new juices, and like to try new juice delivery systems. So variable watts can be a good way to vape with different juices and delivery systems, without worrying about ohms and volts.

    I'm not still looking for my perfect vape - I would say it's that I've found more than one vape that I really like. There doesn't have to be just one vape that's great. And I do like to try new things sometimes, whether its juice or delivery. I'm going to try Dekang when my next order arrives - haven't tried it before. I like the simplicity of just changing watts up or down and vaping.

    Variable watts is not new. Variable wattage has been around for quite a while now. The Darwin is a variable wattage mod. However they are virtually impossible to get. A lot of vapers added variable wattage to their pvs by using the Kick - a small piece of circuitry that can be put on top of a battery. Having variable volts and variable watts on the same pv is new tho.

    Some people think variable watts is a fad. That's a bit funny because some people said variable voltage was a fad when it first appeared too. I've been thinking about how the ego twist made variable voltage very popular. I wonder what the watt limits would be on a smaller disposable device if it had variable watts. Is it viable to do? If it is then expect to see them become quite commonly used. In the meantime variable wattage mods or APVs (advanced personal vaporizers) are becoming quite popular, and we'll be seeing a lot more of them.
  14. A few pics of my Zmax 2 while I kick back this weekend:

    [​IMG]

    [​IMG]

    [​IMG]
  15. I use variable wattage on my Zmax. It has variable voltage too but I prefer watts. I don't have to worry about what voltages I'm vaping and whether they're right for the ohms because the pvadjusts the voltage automatically.

    For those who only use variable voltage a chart is helpful and people use them to avoid underpowering the vape, or over-powering and popping a coil.
    This chart has been useful for a lot of vapers:

    Excel Power worksheet (Voltage vs Resistance)

    Click on the image at that link for a bigger view of the chart.
    Or click on this link for the Excel speadsheet download of the chart.

    Resistance in ohms on the left - this is the ohms of your atomizer, cartomizer or clearomizer. Voltage at the top. The green area is optimal - the most optimal watts from your combination of voltage and ohms. Staying in the optimal area will help prevent popping a coil, over-stressing your battery, or under-powering your vape.
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