Question about battery and coils (Swag II)

[Nuvola]

I purchased a vaporesso Swag II.
It comes with two coils. One of them is a

• 0.15ohm GT4 Meshed Coil - rated for 50-75W, best 60-70W

I liked how it tastes.

The Swag uses one battery only.
Is it safe to use Samsung 30Q 15A batteries and run the Swag at 65W?
If not, what battery would your recommend in order to use it safely at that wattage?

I’m asking because I have always considered the “rule”: maximum W = 3XA

 

[Mordacai]

Hello @Nuvola, your pulling approximately 21 Amps with a resistance of 0.15 ohm and using 65 Watts.

You can use either ohms law or an ohms law calculator to find out or confirm this, you just need to use the resistance (ohms) and power (watts) values in the calculations.

Off the top of my head I would say that the Samsung 20S 18650 cells would be a better fit, as their CDR (Constant Discharge Rate) is 30 Amps. Which will give you plenty of headroom for saftey and it'll probably give you a better experience as they won't be stressed.

But definitely checkout @Mooch battery list, as when it comes to batteries he is the guru that you can rely upon.

But my apologies, it's getting late in my corner of the world and I must try to get some sleep, but I will provide some links for you later to @Mooch battery tests. Just remember to save the link then.

 

[Mooch]

Safe? No, there is no “safe” use of any round li-ion battery when used outside of a fully protected battery pack. There is always some risk and you must never misuse or mishandle them.

Using a 15A, about 45W, rated Samsung 30Q at 65W increases the risks and results in pretty crappy performance. That is a LOT of power for almost any 18650.

I don’t think you need to go to the lower capacity 30A-rated Samsung 20S but its current rating gives you some headroom if you might vape at higher power levels in the future.

Try the 25A Molicel P26A or the Sony/Murata VTC5A or VTC5D. They’re rated for up to about 75W and still have pretty good capacity.

 

[Nuvola]

Thank you guys for the valuable information, and yes, I understand that there is no absolute "safe".

I will buy the 25A Molicel P26A or the Sony/Murata VTC5A or VTC5D, in the mean time I will stick to coils that require lower power, in the 30W to 45W range so to reduce the risk of stressing the system. I have plenty of Samsung 15A and Sony 20A.

......hat is a LOT of power for almost any 18650.
…...

In fact I was wondering why do they supply a device that uses one battery only, with a coil that nominally asks for such a high wattage.​

 

[dripster]

In fact I was wondering why do they supply a device that uses one battery only, with a coil that nominally asks for such a high wattage.

The Swag II mod is for people who don't like the added weight of a dual battery device and who also don't like their device to be as tall as, for example, the Vaporesso GEN mod. At such a high wattage, normal battery life with only one battery is still fair: almost half a day.

 

[Mooch]

In fact I was wondering why do they supply a device that uses one battery only, with a coil that nominally asks for such a high wattage.​

Vapers want tiny devices that can output tons of power so China makes them. They’re not very worried about whether they can actually be effectively powered at those high wattage settings as you’ve already bought the device.

 

[Mordacai]

Reminds me of the old saying, buyer beware.

And as promised @Nuvola a link to @Mooch's blog where you'll be able to find cells and chargers that have been tested, plus a wealth of other battery information as well.

Mooch's blog | E-Cigarette Forum

 

[madstabber]

I prefer my single cell mods to use a 21700, otherwise a dual 18650 is good. Uwell Evildo does dual 21700’s in a dual 18650 sized mod. Anyway no one asked, just wanted to share and let the new folks know there are options.

 

[Mordacai]

The Steam Crave Hadron isn't as big as pictures make you believe, and that's a dual 21700 mod which also has a Squonk backpack addon.

So you get 2 mods in 1, which may be of interest to some.

Here's a couple of pictures for folks with a 330ml soft drinks can for scale, and it can fit an atomiser of upto 36mm.

 

[dripster]

To clarify my point, the height measured between the bottom of the Swag II mod and the top of its 510 connector is like only ~53mm, and, it weighs only 70 grams without the 18650 battery because it uses aluminum, which makes it highly durable despite it being so lightweight... the silicone finish on this mod prevents it from getting slippery all the time. Vaping on a single 21700 regulated mod at 65W with a Molicel P42A or Samsung 40T still typically doesn't get you through the day, either. So then, you'd still need to carry a spare battery around with you anyway in the first place. I.e., you'd only be adding more bulkiness and weight, merely for the sake of being able to show to other vapers that you are a hobbyist, which isn't necessarily a bad thing, but... you get the picture. That is, excepting only if you don't vape much, in which case yes, it just might get you through the day after all.

 

[madstabber]

For me a single 21700 is the difference between needing a spare (single 18650) and getting a day and some change with the 21700. I forget most don’t vape like me though, I use high nicotine juice (33mg/ml) with a subohm atty (typically 0.5ohm) so I only vape 4-5 pulls maybe 2-3 times per hour. Also important is I’m usually set at around 40 watts and honestly if I’m careful I can get a day with an single 18650 but I don’t like being careful.

 

[dripster]

For me a single 21700 is the difference between needing a spare (single 18650) and getting a day and some change with the 21700. I forget most don’t vape like me though, I use high nicotine juice (33mg/ml) with a subohm atty (typically 0.5ohm) so I only vape 4-5 pulls maybe 2-3 times per hour. Also important is I’m usually set at around 40 watts and honestly if I’m careful I can get a day with an single 18650 but I don’t like being careful.

Some (or a lot of) people might prefer to carry the Swag II in one pocket while also carrying a spare 18650 in their other pocket or some other place, maybe even two spare 18650s, just to keep the atomizer from protruding out the top of their pocket. Also, putting too much weight all in one pocket might interfere too much with the visual appearance of this same pocket so, if you understand the meaning of the word 'swag', I think the Swag II really does live up to its name, it looks nice and it feels nice, but it's also a very decent quality device IMO. As far as I can see, the vast majority of people who use this mod seem to be really liking it.

 

[madstabber]

Some (or a lot of) people might prefer to carry the Swag II in one pocket while also carrying a spare 18650 in their other pocket or some other place, maybe even two spare 18650s, just to keep the atomizer from protruding out the top of their pocket. Also, putting too much weight all in one pocket might interfere too much with the visual appearance of this same pocket so, if you understand the meaning of the word 'swag', I think the Swag II really does live up to its name, it looks nice and it feels nice, but it's also a very decent quality device IMO. As far as I can see, the vast majority of people who use this mod seem to be really liking it.

I have the Gen and love the coating which is why I’ve been eyeing up the swag duece. If necessary I’d be happy to carry two, one in each pocket. I’m just waiting for them to go on clearance somewhere for a ridiculously cheap price.

 

[DaveP]

Vapers want tiny devices that can output tons of power so China makes them. They’re not very worried about whether they can actually be effectively powered at those high wattage settings as you’ve already bought the device.

After all, it's not their face that's next to a marginally designed 100W coil mod powered by a single 18650.

 

[dripster]

After all, it's not their face that's next to a marginally designed 100W coil mod powered by a single 18650.

A single Samsung 20S can be used up to 90W and still be within the recommended battery safety guideline. The Vaporesso Swag II is limited to 80W so not sure what you must be getting on about here, really.

 

[dripster]

 

[DaveP]

A single Samsung 20S can be used up to 90W and still be within the recommended battery safety guideline. The Vaporesso Swag II is limited to 80W so not sure what you must be getting on about here, really.

Still, I'd rather see those who want to vape over 60W transitioning to a dual cell mod. Pushing the envelope on a single cell mod occurs quickly as the cell voltage sags and drops. That, and not all will research cell quality and amp ratings before cranking up the power.

 

[DaveOno]

Here's a couple of pictures for folks with a 330ml soft drinks can for scale, and it can fit an atomiser of upto 36mm.

Great pix.

and the mod is nice, too.


(I love Guaraná, one of the finest soft drinks anywhere!)

 

[DaveP]

A single Samsung 20S can be used up to 90W and still be within the recommended battery safety guideline. The Vaporesso Swag II is limited to 80W so not sure what you must be getting on about here, really.

That's assuming the user picks a cell with sufficient power capability. Too many choose a cell for cost rather than power ratings. For those of us who look at cell tests and power ratings it's not a problem.

 

[Nuvola]

I received the Molicel P26A batteries and I have been using them at 60W-65W.
At that wattage I am getting about 130 puff/battery, when fully charged.
This is a picture of the puff counter, after three batteries. All three fully charged. I replaced each battery when the charge reached 10% (under 20% it feels very "weak" already).
The atomizer is the GT4 Meshed Coil 0.15ohm - rated for 50-75W, best 60-70W
My draw is typically in the 2.5 - 3.5 seconds range.

First battery: 139
Second battery: 263
Third battery: 399