Benefit of low ohm cartos on a vv device?/ Battery recharging

[fuzzione]

1) I don't quite follow the distinctions, if any, between low ohm/low voltage vaping and higher ohm/higher voltage vaping, given that both ways produce the same output wattage if you have a vv device. Are there any relative benefits/consequences of going one way or the other? Would appreciate any insight.

2) How low should I allow my IMR 18350 batteries drain before recharging? I've noted that some people recharge between 3.5-3.6v. My vmax enters low battery cutoff at 6v combined on the stacked cells. I'm more concerned with safe charging practices here than cell longevity.

Thanks in advance.

 

[ChellyNelly]

1. Have you actually vaped the difference between low ohm/low volt high ohm/high volt? It's definitely different and while low resistance stuff was created to simulate high volt vaping, it's really quite different IMO. Hard to put it into words though.
2. I don't really know what the "right" answer is to this, or if there even is one. But I can tell you that I just recharge the batteries for my LT when it won't vape anymore, usually at about 3.2-3.3v, but lately one has been doing it around 3.6v.

 

[fuzzione]

Thanks Chelly, no, I haven't really tried this per se. Both my 1.7 DC's that came in the 2 Smoktech tanks I ordered were shot to begin with. Fortunately I picked up a spare pack of the 2.5 ST DC's that seem to be working well for me. The only low ohm coil I've tried is with the 306 atty I also picked up that I use for dripping. While that's simply outstanding, I don't think you can compare the two. I wouldn't have thought that given the identical vaping systems and total output wattage being identical, there would be a difference between low o/v vaping and high o/v...I mean...the wattage is the same right? So I can't really wrap my mind around why there would be a difference. But if you suggesting there is, I'll likely pick up a pack of the 1.7's to try in my tanks next time.

Regarding batteries, the vmax cutoff is 6v (stacked) with no prior warning. So I'm thinking an average of 3v per cell is too low to allow them to drop, hence my question. This effectively means I'll have to check the voltages regularly and recharge them when they reach a certain point (but not 3v) and I'm attempting to determine when this should be.

 

[fuzzione]

Coincidently, just after I initially posted this thread, VAPNJ350 said in this unrelated thread:

http://www.e-cigarette-forum.com/fo...-new-variable-voltage-device-smoktech-50.html

"I think what victory was trying to express was this...the main reason LR atty's and cartos were developed was to simulate a 5 volt vaping experience on a 3.7 volt device before variable voltage devices were really ever made. The Fistpak was, to my knowledge, one of the 1st if not the very 1st vari-volt device, and it was actually made by a man in Canada named Nuck or Nuk,can't remember the way he spelled his name. I have 3 of those same devices,1 bought from Nuck himself and 2 that I built myself but with a little better technology inside to help with the 18650 battery life. Im not saying you can't use LR on a Vari-volt device, it just kinda defeats the purpose. The vari-volt device was primarily bulit to use a 3.0 ohm carto or higher.....or dual coil 1.5 ohm and up because the device is actually seeing 2, 3 ohm coils not a 1.5 ohm load. Can you use LR cartos and atty's on a V V ? Absolutely, do I ? No way! A single coil carto keeps my batteries running longer, and a Dual Coil I ONLY use sometimes on my VMAX's when Im not running my fusion 3.2 ohm cartos. Im hoping this is what victory was trying to get across, if Im off base with any of this victory please correct me. Take care everyone. ........................J "


So there does appear to exist differing opinions on this topic. As I'm certain there is with everything vape-related, but in this case I still can't make sense of why there would be a difference assuming the wattage is the same.

 

[Dusty_D]

Here's the difference..Ohms Law.

Simulating 9Watts overall output.

3.7v set on device. 1.5ohm atty. Output is 9.1W. Power used = 2.45 Amps
5.0v set on device. 2.8ohm atty. Output is 8.9W Power used = 1.78 Amps

The difference in battery longevity is in the amount of Amps that your battery is putting out to produce the end result. Higher Amps, less life. Lower Amps, longer life. Lower Amps also means less HEAT being created causing the flavour to subtly change, if you vape a flavour that subtly changes when vaped at different levels.

There is a difference, however subtle between vaping low ohm/low voltage and high ohm/high voltage.

 

[ChellyNelly]

Thanks Dusty, I knew some purveyor of the knowledge of Ohm's Law would come through on this one

And there you have it. Number one answered! Now about number two...

 

[fuzzione]

Exactly what I was looking for, thanks for filling in the blanks Dusty.
Guess I need more cartos. I am no longer in a position to allow flavour change subtleties escape me.
Nosiree. Spent too much money already for that to happen.

 

[Dusty_D]

Thanks Dusty, I knew some purveyor of the knowledge of Ohm's Law would come through on this one

And there you have it. Number one answered! Now about number two...

Number 2: I recharge my batteries almost nightly for my single battery mods. Every other night for dual 18650 mod. I never check for what they are at the time.


Sent from my iPhone using Tapatalk

 

[skipdashu]

1) I don't quite follow the distinctions, if any, between low ohm/low voltage vaping and higher ohm/higher voltage vaping, given that both ways produce the same output wattage if you have a vv device. Are there any relative benefits/consequences of going one way or the other? Would appreciate any insight.

2) How low should I allow my IMR 18350 batteries drain before recharging? I've noted that some people recharge between 3.5-3.6v. My vmax enters low battery cutoff at 6v combined on the stacked cells. I'm more concerned with safe charging practices here than cell longevity.

Thanks in advance.

1. Wattage = heat at the coil
2. IMRs are typically rated good down to 2.75v so the VMax cutting off at 6v (3.0v per cel) is good.

 

[prateus]

also i would add a 1.5ohm coil would have 3 or 4 wraps of coil. a 2.5 ohm coil of the same gauge wirewouldbe 7 or 8 wraps. soeventhough the wattage is the same there is more surface area onthe 2.5ohmcoil. this spreads the heat over a larger area. so u are less likely to scorch ur juice.

 

[fuzzione]

also i would add a 1.5ohm coil would have 3 or 4 wraps of coil. a 2.5 ohm coil of the same gauge wirewouldbe 7 or 8 wraps. soeventhough the wattage is the same there is more surface area onthe 2.5ohmcoil. this spreads the heat over a larger area. so u are less likely to scorch ur juice.

Interesting, thanks Prateus. The more I learn of this subject the more I'm tending to lean toward sticking with higher ohm coils, at least with the vmax. If, as Dusty suggests, the lower amps of high volt vaping produces a cooler vape given the same wattage, I'd think that one could simply crank up the beast a little to compensate. Even though it appears to me that the higher ohm coils have more advantages, I'll likely pick up a pack of 1.7's for experimentation.

 

[albertbert]

This possibly is at odds with what prateus said. I was talking to darksidevaper yesterday, and he told I should never use low resistance on a VV. He said on higher ohm atties, the coil will be made of thicker wire, so they are much less likely to pop/die. If you can crank up your device, no point in using LR stuff.

 

[kingcobra]

The biggest difference is that with a VV you set the power to whatever you want, while with a LR atty you are stuck with the wattage that you get with your battery and the atty. So while it's cool to vape at a higher wattage it's even cooler to vape at whatever wattage you want

There also seems to be a subjective difference in the vapor at a given wattage. LR vaping is not only harder on the batteries as Dusty has pointed out, it's harder on the atties as well, or at least that's been my experience during the dark ages when I used to use LR atties

In the end though once you use a VV you don't go back, and that says a lot right there

 

[fuzzione]

The biggest difference is that with a VV you set the power to whatever you want, while with a LR atty you are stuck with the wattage that you get with your battery and the atty. So while it's cool to vape at a higher wattage it's even cooler to vape at whatever wattage you want

There also seems to be a subjective difference in the vapor at a given wattage. LR vaping is not only harder on the batteries as Dusty has pointed out, it's harder on the atties as well, or at least that's been my experience during the dark ages when I used to use LR atties

In the end though once you use a VV you don't go back, and that says a lot right there

I expected to think that too, but oddly enough I'm still really enjoying my 3.7 Volt X2 1300mah/clearomizer setup. In fact, I'm shocked at how satisfying a vape they produce (for certain juices and not others) given their inevitable comparison to my vmax at full gallop. An X2 is still what I reach for when going out. They are particularly useful when used in rotation and for always having different flavours at hand ready to go. The X2's have a very cool pass thru feature and last 2-3 days before needing a charge. I love to use them all! Need more.......more.....those woodies look kinda cool

 

[grey_sky]

[/B]

I expected to think that too, but oddly enough I'm still really enjoying my 3.7 Volt X2 1300mah/clearomizer setup. In fact, I'm shocked at how satisfying a vape they produce (for certain juices and not others) given their inevitable comparison to my vmax at full gallop. An X2 is still what I reach for when going out. They are particularly useful when used in rotation and for always having different flavours at hand ready to go. The X2's have a very cool pass thru feature and last 2-3 days before needing a charge. I love to use them all! Need more.......more.....those woodies look kinda cool

Could be that it's because the clearomizer is kind of a hybrid atomizer and will taste/hit a bit different than a carto. I still feel like carts give a slight chalky sensation that kills my flavor a tiny bit.

Have you bought any atties yet? Heheh. I think we talked about this at the vape meet.

___

Simple Ohms Law Calc for anyone interested in this thread - Ohm's Law Calculator

 

[misterkai]

Great thread, thanks everybody! I am really looking forward to finishing up my ~2.6 ohm Kangers and getting some ~3 ohm Boges for my Lavatube.

 

[grey_sky]

Great thread, thanks everybody! I am really looking forward to finishing up my ~2.6 ohm Kangers and getting some ~3 ohm Boges for my Lavatube.

Digging my boges compared to the smoktechs. Hope you like them

 

[fuzzione]

Could be that it's because the clearomizer is kind of a hybrid atomizer and will taste/hit a bit different than a carto. I still feel like carts give a slight chalky sensation that kills my flavor a tiny bit.

Have you bought any atties yet? Heheh. I think we talked about this at the vape meet.

___

Simple Ohms Law Calc for anyone interested in this thread - Ohm's Law Calculator

I've pretty much swapped everything around now between the X2's and vmax at various settings , comparing...playing...enjoying! No question the vmax gives that little extra for certain juices that vape better with more wattage. But other juices don't take the extra power very well so using the X2's with a 2.5o clearo for something like, say, Coconut Rumball from FC (one of my fav's) is just as good a vape as on the vmax with the same clearo, or even a DC tank for that matter. Pumping more than 3.3v or so through that particular juice with the vmax just destroys the flavour.

On the other hand, other juices vape better at the vmax higher output, that much is clear. I'm saying that despite the vmax's attractive features, versatility and power, it did not make my fixed voltage X2's obsolete, as I had initially expected. At least not to date. But ask me again next month

Ya Mopar recommended, and I am thus also hopelessly hooked on a 306 atty with drip tip, just to add to my bad habits. It simply rocks and my only regret is not buying more of them. As a result I'm now in the midst of exploring the strange world of all that is atty dripping, including the relative merits of debridging and hybrids. How's that for progress?!

I've also noticed that chalky carto taste depending on the juice/carto combination. I've tried the ones from Smokeless Image, Kanger horizontal coils and Smoktech DC's. I seem to get the most chalkiness out of the Kangers so I'll likely not order those again. The ones from SI worked amazing...when they worked, but too inconsistent; 1/2 of them failed for one reason or another although from what understand their new run are much better. They come in an XL size. I'm on the fence about the ST's as I seem to flood them a lot in a tank but when working well I get great flavour and vapour production.

I am now 19 days analog free and deeply grateful to this forum and all the great people in it, whose help has made this possible for me.

 

[grey_sky]

I've pretty much swapped everything around now between the X2's and vmax at various settings , comparing...playing...enjoying! No question the vmax gives that little extra for certain juices that vape better with more wattage. But other juices don't take the extra power very well so using the X2's with a 2.5o clearo for something like, say, Coconut Rumball from FC (one of my fav's) is just as good a vape as on the vmax with the same clearo, or even a DC tank for that matter. Pumping more than 3.3v or so through that particular juice with the vmax just destroys the flavour.

On the other hand, other juices vape better at the vmax higher output, that much is clear. I'm saying that despite the vmax's attractive features, versatility and power, it did not make my fixed voltage X2's obsolete, as I had initially expected. At least not to date. But ask me again next month

Ya Mopar recommended, and I am thus also hopelessly hooked on a 306 atty with drip tip, just to add to my bad habits. It simply rocks and my only regret is not buying more of them. As a result I'm now in the midst of exploring the strange world of all that is atty dripping, including the relative merits of debridging and hybrids. How's that for progress?!

I've also noticed that chalky carto taste depending on the juice/carto combination. I've tried the ones from Smokeless Image, Kanger horizontal coils and Smoktech DC's. I seem to get the most chalkiness out of the Kangers so I'll likely not order those again. The ones from SI worked amazing...when they worked, but too inconsistent; 1/2 of them failed for one reason or another although from what understand their new run are much better. They come in an XL size. I'm on the fence about the ST's as I seem to flood them a lot in a tank but when working well I get great flavour and vapour production.

I am now 19 days analog free and deeply grateful to this forum and all the great people in it, whose help has made this possible for me.

That's excellent news. Congrats man

I am actually getting in the Ikenvape io6(306) with their drip tips early this week so I'll let you know how they perform soon as I get some time with them.

And yeah, cartos are a tricky deal.. 3 for 4 on my boges so far.

 

[TrueNorthist]

Way to go! It gets easier and easier as time goes by. I rarely think of ciggs anymore, except when I catch a whiff of one. Really captures my attention and that will likely always be the case I suppose. But all I need do is whip out my mod and take a few puffs and the cigarettes fade into the mist again.

BTW, I have gone almost completely to 3Ω or greater as I get much longer life from my batteries and find they don't burn as easily as an LR. As far as when to charge goes, remember that rechargeable batteries of all types have a limited number of discharge cycles. I believe AWs are rated to 500 cycles, and that can be extended a bit by not running the cell all the way to the cut-off point which consumes the battery faster. I have heard of folks getting 7 or 8 hundred cycles by recharging when the cell hits ~70%. I recharge every night regardless of the state and am hoping to extend the life of my cells that way. A good charger is also a must if you want them to last as long as possible.

Just remember that when stacking batteries it is very wise to check them on a volt meter to ensure that one isn't getting weaker than the other. I do not know how much of a diff is acceptable but I try to match mine to within .1 volts. A visit to this forum is a must for anyone that stacks batteries. Take the time to read as much as you can stand in there -- especially the stuff about safety.

Happy vapour-trails to you!