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Couple questions regarding single vs dual and mod temp

Jsgillis86

VU Donator
Member For 3 Years
Member For 2 Years
Member For 1 Year
Good evening, or morning, VU. Quick couple questions regarding safety and build here that I can't seem to find much info on via the interwebs. You guys have always come through for me, so many thanks for guiding me through all my noobish questions previous to this and thanks in advance for this couple.

So I found my favorite tube mech build thus far! After rebuilding about fifteen or twenty times I hit that sweet spot on my Broadside. Twisted Messes RDA, 24g Kanthal, single coil parallel. Ohms out at .23. It still scares me a bit building this low, but it's the only way I can achieve the vape I'm after. Resultantly, I check my battery and mod obsessively, sometimes every few hits just to be sure and to record data.

What I've noticed is after four or five hits back to back, my battery and tube remain cool, but the inside of the tube is slightly warm. I'm talking newborn bathwater at best. I've read that this is normal and I vape conservatively, but (for safety's sake) I've also read that heat transference is a spot on way to determine if you're stressing your battery too much.

I suppose my initial question is, am I stressing my battery too much (VTC4). Is it possible to determine battery stress through heat transference to your mod? If so, what's the obvious limit so I can cut it in half and call that mine? The Broadside has a firing button that I'm assuming was made from delrin. Hot button issues seem to be a staple in determining what I'm questioning, but I don't have that luxury (or curse, depending on how you look at it), not with this mod at least.

My other question is more for reassurance. After building over and over again I'm currently under the assumption that parallel coils, since they're side by side, heat each other consequently, and also that a single 18650 mech has an easier job heating just one coil. Am I wrong in this? I have virtually no ramp up time, great clouds and can still taste my juice, and this is the only build I've achieved that with.

Feel free to be brutally honest with me. I favor constructive criticism over bullshit.
 

jonathanmark1401

Member For 3 Years
Member For 2 Years
Member For 1 Year
Hey man. If I'm right by thinking, the vtc4 is a 20amp battery battery ( although Sony say 30, it isn't after much research via VU ) a build at .23 is borderline on your safe limit. But don't panic too much, I've gone nuts at 0.08ohms on a single cell haha. It can all depend on how you vape, the cleanliness of your mod, contacts etc. Also the state of your battery. A little warmth I'd personally say is nothing to worry about. These things do warm up. I use a tesla series mod and after a good cane that thing burns but batteries are sweet as a nut.

.23ohms on a single cell 18650 20amp should be drawing about 18amps. So your safe bro. If you rape your coils ( chain vape ) then expect some heat but aslong as u let it cool for 5 mins or so. Your cool IMO


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r055co

VU Donator
Platinum Contributor
Member For 4 Years
It's the heat from the rda and at 0.23 ohms you are fine with the VTC4, they are 23a batteries. With a single battery mod you're fine with => 0.2

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