Builds for max battery life

[gmoney$]

I know there are many variables involved, but I have a regulated 18350 mod on the way, and I'd like to build to maximize battery life. I assume that since I generally run lower voltage (say about 12) and relatively high ohms (say 1.5) that I'm in good position to enjoy long battery life.

With regulated devices, what matters most in power conservation builds? Is looking at wattage or voltage more important to battery savings, or it that not relevant because the two values are just variables in the same equation? Will a higher resistance build used at the same wattage burn more or less battery life (I see that higher ohms produce higher voltage? Are there other build variables I should be adjusting? Thanks.

 

[Robert Cromwell]

I would say 1.5 - 1.8 would work good 28 or 30 ga wire. I use 28, easier to rewick.
No 18350 will last very long at 12 watts. Maybe 3-4 ml of juice?

 

[sofarsogood]

Higher ohm coils convert more of the power into heat. Another possible fine point, with temp control, Ti wire has a lower specific gravity than steel, meaning it starts radiating it's heat sooner and cools down faster.

 

[Woofer]

I have a regulated 18350 mod on the way, and I'd like to build to maximize battery life.

Perfect timing, I have regulated 350 mod coming too. KSD Vamo Box 25 watt.

 

[Robert Cromwell]

If it is a regulated mod and you vape at 12 watts the only real difference is in the build giving you the best vape at that wattage.

 

[bwh79]

Will a higher resistance build used at the same wattage burn more or less battery life (I see that higher ohms produce higher voltage? Are there other build variables I should be adjusting? Thanks.

Wattage in = wattage out. For a particular watts setting, the battery will be taxed the same amount regardless of the ohms. If you want to conserve battery life, turn down your watts (and then you'll want to use a build that's suitable for that lower watt setting.) The applied voltage (on the atty side of the circuit) does not affect the amount of volts the battery is putting out, which will vary from roughly 3.2-4.2 volts depending on charge state. All that matters are the watts.

 

[Robert Cromwell]

This build will give you a nice vape at 12 watts.
Coil wrapping | Steam Engine | free vaping calculators

 

[tj99959]

12 watts is 12 watts.
Your topper will be the determining factor for what watts gives you the best vape.
For instance, you can't vape a single coil cartomizer @ 12 watts ... all you would taste would be burn't rags. Probably can't vape a Mutation at 12 watts either ... you would just wonder if your battery died or something.

I just never cared for 18350s so I'm no authority on how to get the most out of them, but I use a 14500 a lot, and I would suppose it's about the same. Two 14500 will last me all day using an A7 RDA with a 2 ohm coil in it. (~8 watts)
The vape is very much like an old HH-357 atomizer.

So think about the atomizer you're using when wanting to make a small battery last.

 

[zapped]

Not a fan of 18350s either.

But the same logic should hold true for 18650s.

I run 3ohms at 5 volts or around 8.5 watts.

Ive found that I get the maximum battery life out of that setup.

If your mod is using a high efficiency converter like a Provari then battery drain rates do make a big difference.

 

[Boden]

I know there are many variables involved, but I have a regulated 18350 mod on the way, and I'd like to build to maximize battery life. I assume that since I generally run lower voltage (say about 12) and relatively high ohms (say 1.5) that I'm in good position to enjoy long battery life.

With regulated devices, what matters most in power conservation builds? Is looking at wattage or voltage more important to battery savings, or it that not relevant because the two values are just variables in the same equation? Will a higher resistance build used at the same wattage burn more or less battery life (I see that higher ohms produce higher voltage? Are there other build variables I should be adjusting? Thanks.

To keep the converter at high efficiency for 12W stay between 1.1 and 1.3 ohms. 28-30 gauge parallel coils work well.

 

[Foggy Road]

I'm into old VV/VW devices. I recall reading in some product description or user manual that running a device in voltage mode is more battery efficient. No idea why or if it's even true. All I know is I have no problem with the battery life of my 650 mah VV Ego/Evod batts or my 700 mah 18350s. It is what it is.
I wonder if airflow may do as much or more for battery life as it ohms or build.
I think the consensus is that better airflow equals more vapor, which I should think would equal less time on the power for the same vape.
But then again I'm probably better off not thinking at all. Really not all that well equipped for it.

 

[gmoney$]

Thanks all. Good to see my friends from the ittybitty and tootle threads and everyone else. Really appreciate the feedback. And yeah I'm talking kangside ksd mini 25, which has been in transit for ....ever. Ordered Nectar micros to pair with it 10 days after and they've been here several days. Great atties!

 

[Woofer]

To keep the converter at high efficiency for 12W stay between 1.1 and 1.3 ohms. 28-30 gauge parallel coils work well.

And as the watts go down the ohms go up? Say 1.5 for 10 watts and 1.8 for 8 watts? TY

 

[Boden]

And as the watts go down the ohms go up? Say 1.5 for 10 watts and 1.8 for 8 watts? TY

Basically keep the output voltage close to the cells nominal voltage.

10W - 1.37 ohm
8W - 1.71 ohm
Etc.

 

[Hans Wermhat]

I just got my first low watt tootle puffer too. It has a 1.2 ohm minimum. I had never used wire smaller than 28G before, but an 8 wrap 2mm 28G coil at 15W is a little anemic. I got some 30G and did a 6 wrap 2mm coil and it works great at 12W. ("Great" is a relative term though. It makes decent clouds, but they aren't very dense and the flavor isn't what I'm used to. Kinda like going back to a eGo type clearo.) It will probably get destroyed every time I re-wick it though.

 

[edyle]

I know there are many variables involved, but I have a regulated 18350 mod on the way, and I'd like to build to maximize battery life. I assume that since I generally run lower voltage (say about 12) and relatively high ohms (say 1.5) that I'm in good position to enjoy long battery life.

With regulated devices, what matters most in power conservation builds? Is looking at wattage or voltage more important to battery savings, or it that not relevant because the two values are just variables in the same equation? Will a higher resistance build used at the same wattage burn more or less battery life (I see that higher ohms produce higher voltage? Are there other build variables I should be adjusting? Thanks.

you should be adjusting wire gauge.

 

[Woofer]

Basically keep the output voltage close to the cells nominal voltage.

10W - 1.37 ohm
8W - 1.71 ohm
Etc.

That makes perfect sense, thank you!

 

[vlodato]

Higher ohm coils convert more of the power into heat. Another possible fine point, with temp control, Ti wire has a lower specific gravity than steel, meaning it starts radiating it's heat sooner and cools down faster.

Interesting, I find when I run ti in tc mode I have worse battery life then the same device at the same wattage at the same resistance but kanthal. By a pretty big margin too. Wonder if I'm doing something wrong.

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