Burnt flavor....

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Twilight

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Jul 26, 2010
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Every time I put a recharged battery on my V4L cartos......the first 5 or so vapes taste burnt.....it's because of the residue on the battery, not because of the V4L carto.....after the initial 5 or so vapes/puffs, they taste perfect with wonderful flavor and vapor....something to keep in mind for those who are getting a burnt taste.....
 

Twilight

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The burnt flavor does go away after about 5 puffs. And yes, it even happens with brand new cartos. It happens, for me, with both manual and auto batteries.....first 5 or so vapes with a freshly recharged battery tastes burnt...after that it is just wonderful flavor until I need to change batteries. I do wipe off my batteries prior to recharge, but it appears there is still residue inside of the battery that burns off with the first few puffs after recharging.
 

hersch

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Feb 1, 2010
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fresh battery higher voltage atomizer scourging ejuice,after 4 or 5 draws voltage drop ejuice is on simmers no burnt taste.. Thats what I have to do with fresh cart and fresh battery..But now I vape 5 or six time with out inhaling and then Iam all right..

Some times battery gets alot of juice on battery + and - and there I think the battery shorts through the juice and I get no vape..

I unscrew battery from cart and roll up a small piece of paper toweling roll small enough so to clean out small hole in battery I do this on my manual batterys only..but ejuice burning directly on battery I dont know.. never ran into that problem..
 

Twilight

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fresh battery higher voltage atomizer scourging ejuice,after 4 or 5 draws voltage drop ejuice is on simmers no burnt taste..

That could indeed be the reason too. Freshly charged up battery is scorching the juice on the first few vapes and once the voltage drops a bit, it doesn't "fry" the juice anymore.
 

Darrigaaz

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How high can the voltage get on a freshly charged V4L battery? Anybody know? The reason I ask is because I use my PT and it's at 5v and I don't have any burnt taste to my juices. My buddy a few offices down vapes at 7.2 volts, and I've popped a couple of my cartos on his mod and don't experience any burnt taste.

So if this is a case of the batteries scorching the juice, it leads me to believe that the voltage would have to be over 7.2 volts (my experience) and that's kind of a huge fluctuation in voltage.
 

jamvector

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4V tops; all LiIon batteries produce a nominal 3.7V per cell per the laws of physics (excepting for multiple cells as defined by Ohms law - linear addition if in series, 1/V addition if in parallel). Also, there is no vaporization of the juice at the junction of the battery and carto; this only happens in the atomizer wire - so there is no "juice burning" at the end of the battery, only inside the carto. The "burned taste" is dry fill and atomizer insulation - same effect when carto is dry, or if the juice does not reach the atomizer due to compact polyfill that is not absorbing or properly wicking the juice (Maxx mentioned this in a different post, but has previously been discussed in some of my older threads). You can tell the carts with the super-dense polyfill, it only fills about half the carto volume. The cartos that perform the best have looser polyfill that usually fills about 2/3 to 3/4 of the interior carto volume. You can also tell a problem carto quite quickly, as Maxx said, if the juice takes a long time to soak in. I believe cartos exhibiting these features are the major source of problems in general among the flurry of recent posts on this subforum; that and the connection between carto and battery, for which Sallyem's fix takes care of for the most part.
 
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Twilight

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The "burned taste" is dry fill and atomizer insulation - same effect when carto is dry, or if the juice does not reach the atomizer due to compact polyfill that is not absorbing or properly wicking the juice.

The burnt taste I am experiencing with a freshly charged battery has nothing to do with dry fill. Cartos hitting and tasting perfect up until the battery dies, and it hits (and tastes) perfect after a few hits with the freshly charged battery.....same carto and no fill up in-between.
My only point was that sometimes people might want to try taking a few more vapes off of that initially funky tasting carto before they throw it in the trash thinking it's a dud. No, I don't know with all certainty why it happens, but it does. Just sharing my experience.
 

jamvector

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The burnt taste I am experiencing with a freshly charged battery has nothing to do with dry fill. Cartos hitting and tasting perfect up until the battery dies, and it hits (and tastes) perfect after a few hits with the freshly charged battery.....same carto and no fill up in-between.
My only point was that sometimes people might want to try taking a few more vapes off of that initially funky tasting carto before they throw it in the trash thinking it's a dud. No, I don't know with all certainty why it happens, but it does. Just sharing my experience.

Very strange indeed; I can't imagine how the battery could be related to this effect. A "fresh off the charger" LiIon battery might measure 4.2V and eventually drop to 3.3V, but as darri has said, many people use passthroughs at 5V, and as high as 7V with assorted mods, and I haven't heard of anything like this before. There are approximately 17,456 threads related to "burning cartos", and there hasn't been a substantiated relationship related to LiIon battery voltage range that I am aware of. Not saying I don't believe you, just that there is no scientific reason for it. (JK BTW on the thread count, but I have been reading endless versions of them since before I even joined ecf).
 

jamvector

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That's exactly what I'm saying. Take your carto off and press the battery button; there is no circuit for current to flow. Drop a bunch of liquid on the end of your battery, hold the button and see if it "shorts out and smokes" - won't happen. Battery post connects to center post in carto, current flows into one end of a coiled high resistance metal alloy wire loop (commonly referred to as an atomizer), wire produces heat as a result of impedance to said current flow, atomizer coil is in near proximity to the liquid absorbed in the polyfill wick, liquid changes state to vapor as it heats up, as wick dries around the atomizer liquid from higher density regions of the wick migrate to fill the void of the vacated liquid, current flows out of wire coil to ground - end loop. The battery doesn't produce vapor, the atomizer does - and when the liquid near the atomizer is vaporized faster than it can be replenished due to inefficient wicking, or simply due to lack of liquid, it will definitely burn or at least produce a noticeable difference in vapor quality. I get lots of juice in my batteries (use only manuals for this reason), which is why I clean them very well every few days or a week at the outside. But, the juice that get's in my battery doesn't burn - only clogs up the flow of air. Vaporization of the juice only happens inside the carto near the atomizer, which was my main point. My secondary point was in agreement with Darri, in that a difference of 0.5V is not enough to cause the difference between normal vaporization and "burning".

The premium or wow carts have a lower resistance atomizer coil, which gets hotter (allows more current flow), and produces more vapor and throat hit - side effect is that the cart itself gets hot and the battery can get slightly warm. This is due entirely to conductive heating of the carto by the atomizer. Due to the higher current draw, the wow carts drain your batteries faster, and burn through juice faster as well. I think a lot more people have "burning" issues with wow or premium carts than with cool carts. I personally don't care much about throat hit, just vapor and nicotine, which is why I stick to cool carts.

I hope that made sense, sorry for the rambling response.
 
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Twilight

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Thank you for your detailed reply Jamvector.

I do realize that the carto needs to be attached to make the current flow and that vaporization only occurs in the atomizer.

I was wondering though, if juice that the current comes in contact with on it's path to the atomizer could possibly "burn".

If not, I'd have to think the flavor is a result of the charging process and that residual juice on the battery is charring when charging? Often times I can taste the prior ejuice used (first few vapes) with a battery when switching to another flavor, so it would stand to reason that I could get a burnt flavor in the first few vapes from the battery as well if there was charred juice in it.

Whatever the possible reason for the first few burnt flavor vapes, I was just wanting to let fellow vapers know that they may want to take a few more puffs when using a freshly charged battery before deciding that a cartos is a dud and tossing it.
 

jamvector

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Jamvector

You're beginning to sound a little like Adrenalynn !! Not a bad thing, just sayin.

That's a mighty fine compliment Leeshor, but it isn't fair to Jodie - she's the real deal. We have enjoyed many geeky tech conversations in the last year, but she isn't around as much anymore so somebody has to pick up the torch :)

Addy, can you come out and play?!
 

Darrigaaz

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Whatever the possible reason for the first few burnt flavor vapes, I was just wanting to let fellow vapers know that they may want to take a few more puffs when using a freshly charged battery before deciding that a cartos is a dud and tossing it.

Twilight, thank you for taking the time to tell fellow vapors what you've experienced. Every experience shared can offer information to somebody who has come across the same type of situation.

I wasn't questioning your experience, I was questioning how this could happen. If this is something that can be defined as a problem, it can be something worked on to prevent from happening. We are ALL working on sharing information so that products can be improved upon and perfected.

Jamvector & I have different ways of approaching the situation at hand. He presents technical information for which to explain how different scenarios can or cannot occur. I ask questions which will hopefully bring out the creative juices in others that may read this thread, so they may offer possibilities otherwise not considered. Both of our tactics can seem demeaning to the original post, and I wanted to tell you that was not our intent.
 

NewLou

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May 23, 2010
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This conversation has brought up a question for me: If a (manual) battery gets lots of juice on it, and isn't necessarily maintained perfectly :blush:... is it possible to "deep" clean a battery so that it approaches the original state? I can't seem to get my original 2 XL batts very clean in the groove beside the post. Not sure if I should be "soaking" in pga longer (I just stand them up in a ml or 2, enough to cover the connector), or scrubbing with something, or digging out the groove with something?

I understand now, that prevention and regular maintenance is the best way...and my newer batteries are not suffering as much from my poor habits...but is there anything I can do now to freshen up these old friends? They seem to get tired faster than the new ones (to anthropomorphize my PVs. They don't have names or anything, though!) I'm not sure if this lack of oomph is due to build-up of old juice, or just normal, expected behavior after vaping constantly for over 3 months. :)

I don't seem to have the initial burning taste OP refers to, though. I have more issues with weird taste that I attribute to new filler, which goes away after a little bit.

On a side note: I enjoy reading these discussions, although the science/technology of it intimidates me, because I gradually learn more about how these things work. :2cool:
 

Darrigaaz

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Dec 11, 2009
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If a (manual) battery gets lots of juice on it, and isn't necessarily maintained perfectly :blush:... is it possible to "deep" clean a battery so that it approaches the original state? I can't seem to get my original 2 XL batts very clean in the groove beside the post.

What I do to clean the groove beside the post is... Get a tough bristled fingernail brush, dip it in rubbing alcohol, and twist the battery around on it. For me, it gets out all the gunk buildup, and cleans the threads quite nicely as an added bonus. A toothbrush would also work, but I find that the bristles are usually too soft and get bundled up when trying to twist with it. You'll be amazed at the difference a good cleaning once a fortnight does to both the manual AND auto batteries.. Just be more careful with excess liquid dripping while cleaning the autos.
 

Pokeygizmo

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I have two particular juices that taste scorched in a WOW/Premium Cart at 3.7v; no problems with burnt taste when in a cool cart at 3.7v. But if I use the CoolCart with either of these juices on my 5v PT or at 4.2v (or higher) on another PV of mine -- scorched taste.

It is interesting to note that the scorched taste ceases when returning the same CoolCart to 3.7v (not refilled or altered in any way).

Since the burnt taste disappears, it seems to be the juice itself that is sensitive to higher voltage (or the lower resistance in the premium carts) and causing the scorched/burnt taste.

I did dissect one each of the Cool and Premium cartos a while back and did not note any burnt places on the wick/filler after using the aforementioned (but un-named :) juices).

Just my observations and experience...
 

jamvector

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Pokey, that's the most reasonable explanation I have heard on this thread regarding the original question, makes total sense.

OP, Darri was right, I just say what's on my mind without regard for tone - sorry bout that. One of the reasons a number of older posters are not around anymore is that people have become extremely sensitive to having one "speaking down to them with an intimidating tone", or being "way too technical", and it gets tiring having to come back and say it again in a more politically correct touchy-feely manner. I rarely post anymore, but still pop in now and then to help out new users and to catch a word with some old friends, with whom I used to have many "way too technical" conversations. :laugh: [wink wink, nudge, nudge]

Happy vaping all, V4L rocks! :toast:
 
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