safety in modding

[hombrethedegu]

Hello all im somewhat new to modding was wondering if this is safe to rock
I got myself 2 efest 2500mah imr 18650 3.7v li-mn 35A battery
cartel knock off battery holder thing (not sure what you call it)
an infinite top piece with 2 positive posts and 2 negative posts
And ive been making 2 single coils and throwing them in anyway the safety question I got is am I risking any harm to myself if my ohms are hitting 0.27?

Im also using 20 mg nicotine and loving every min of it but do I risk the thing blowing up? The casing around the battery barely even gets warm and Im blowing clouds

 

[Cullin Kin]

First of all, those efest batteries are actually rewrapped 20A LG HE2's. Secondly, are you running the batteries in series?

Also, is this mechanical or regulated?

 

[Susan~S]

Hello and welcome to the forum. Glad to have you here!

If you are going to be using a mech mod and rebuildables you need to first educate yourself on battery safety, ohms law and amp draw. For an education on mods and rebuildables I highly recommend you spend some time with Baditude (our resident battery expert) and visit his blogs. Baditudes Blogs. The blogs regarding mods and rebuildables are listed below:

BATTERIES

9. Battery Basics for Mods: IMR or Protected ICR?
* Another essential read to understand which batteries are safe to use in mechanical and regulated mods. Includes a frequently updated list of recommended safe-chemistry, high-drain batteries with their specifications.

11. Deeper Understanding of Mod Batteries Part 1
* For those who want to learn the differences between IMR, IMR/hybrid, and ICR batteries. What do those numbers and letters on batteries mean? What's an amp rating?

12. Deeper Understanding of Mod Batteries Part 2
* Protected vs unprotected batteries - what's the difference? Ohm's Law 101. What is an AW battery? What is an inline fuse? What is stacking batteries?

17. Purple Efest Batteries Not As Advertised
* A cautionary blog that reveals that the purple Efest batteries may not have the specifications advertised. Also includes a commentary on "continuous discharge ratings" vs "pulse discharge ratings" of battery specs.

OHM'S LAW

14. Ohm's Law for Dummies (Vapers)
* My attempt at explaining Ohm's Law in layman terms and how it relates to vaping.

16. Explain it to the Dumb Noob: Ohm's Law Calculations
* As simple as it is to use, some people have a tough time grasping the concept. Warning: Includes graphic photos of mod explosions.

MECHANICAL MODS & REBUILDABLES

7. Information Resources for Your First RBA
* An essential read and reference guide for someone new to rebuilding coils. Includes a multitude of useful links on battery safety, mod safety, coil meters, coil building, and the differences in the three types of RBA's.

15. Inexpensive Mechanical Mod and RDA Setup
* A response to the frequently asked question on how to get into rebuildable atomizers with a mechanical mod inexpensively. Includes a list of commonly used tools and supplies for rebuilding and where to find them.

 

[classwife]

Welcome to ECF hombrethedegu



Moved to New members from Simple Solutions
Simple Solutions is to assist the Beginning Vaper with getting started.

 

[rhean]

Hello all im somewhat new to modding was wondering if this is safe to rock
I got myself 2 efest 2500mah imr 18650 3.7v li-mn 35A battery
cartel knock off battery holder thing (not sure what you call it)
an infinite top piece with 2 positive posts and 2 negative posts
And ive been making 2 single coils and throwing them in anyway the safety question I got is am I risking any harm to myself if my ohms are hitting 0.27?

Im also using 20 mg nicotine and loving every min of it but do I risk the thing blowing up? The casing around the battery barely even gets warm and Im blowing clouds

As Cullinkim says, those batteries are rewrapped 20A LG HE2's. Not exactly honest of e-fest, but not a bad battery, either. Here's a discussion of those batteries http://www.e-cigarette-forum.com/fo...25-lg-18650he2-2500mah-imr-icr-30a-20a-2.html Respect the 20 amp limit, and you should be fine.

I have a copper Cartel clone and love it.

The positive t-post should make it easy to do dual/quad coils.

Get a digital multimeter for the batteries. Since this is a mechanical mod, it'll keep firing, and going too low will damage the batteries. The lowest I go is 3.5-3.6, at which point the vape becomes too weak to enjoy. The multimeter will measure your battery voltage, and give you a sense for how the vape feels at different levels. It'll also measure atty's resistance. I hope you have a reliable charger.

An ohms meter is more practical for attys, though. You just screw the atty on the thing, build, measure. What is your preferred resistance?

Glad you're enjoying your gear btw, you have an atty with a very hot coil on the mod and your hand is obv warm, so you should feel some mild warmth. If ever the battery itself starts getting warm, or if the mod itself starts getting hot, beware.

 

[Topwater Elvis]

When using a mechanical & RBA set up there are no saftey / protection features other than the one between the users ears.
Not trying to be rude but, I think you've jumped in way over your head if you don't already know basic battery saftey practices and know the common names of the pieces you're using.

IMO, Low sub ohm vaping isn't a safe place for beginning vapers or for those inexperienced with mech/ rba use to start.
If .27 is safe using 20a CDR batteries depends on the accuracy of what you're useing to measure resistance and the experiance of the user to be able to identify, diagnose, correct and prevent any problems or potentially dangerous situations.

 

[Topwater Elvis]

Sorry double post, dang phone.

 

[Warpigs]

Myself I do not sub-ohm. the 0.27 is getting to that danger point. You may want to go grab some ligit batteries before continuing with that.

 

[hombrethedegu]

Thank you all for the quick replies. I plan to go look for better batteries today any suggestions? And I tried just a single coil at .5 ohm/ resistance and it gets the casing warmer then a 2 coils at .27 ohm/resistance is that normal? My thoughts on this are that 2 coils distribute the heat while the one is just getting way too much heat. also its the stainless steel cartel. I have the itaste mvp aswell but recently decided to try building my own coils for a hobby

 

[Topwater Elvis]

There isn't anything wrong with your batteries as long as your builds are of an ohm range that results in staying below their CDR.

It would be difficult for me to figure out why stuff is getting hotter faster with slightly higher ohm / less amp draw without having it in my hands.
Could be several things causing it. Ill I can do is guess, there really isn't room for guess work in low sub ohm vaping.

Disassemble every thing and thoroughly clean all threading, build .8 + coils until you understand what you're doing.

 

[hombrethedegu]

Thank you all for the advice I took it into a shop and the guy explained alot to me. He told me that he uses these batteries in .1 ohm builds and they work well. I should be safe aslong as I dont build lower then .2 ohms and im sitting with .28 .29 right now and the casing isn't getting hot so I figure im safe. Bought a better battery charger that tells me the volts. Only other question I have is do I charge the batteries once they are at 3.6 or is it another number?

 

[Susan~S]

Thank you all for the advice I took it into a shop and the guy explained alot to me. He told me that he uses these batteries in .1 ohm builds and they work well. I should be safe aslong as I dont build lower then .2 ohms and im sitting with .28 .29 right now and the casing isn't getting hot so I figure im safe. Bought a better battery charger that tells me the volts. Only other question I have is do I charge the batteries once they are at 3.6 or is it another number?

The vape shop guy is "playing with fire". If your battery is rated 20A, a .2ohm build is pulling 21A. That build would be exceeding the batteries specs AND it doesn't allow any headroom for error.

You need to understand all this yourself. You can't trust that someone else is going to keep you safe. I posted a link to Baditudes Blogs (see post #3). PLEASE go out and READ THEM. Once you do that, if you don't understand something, then ask questions.

 

[CoilMeister]

.28 ohm = 15 amps, .29 ohm = 14.48 ohm, .2 ohm = 21 amps, .1 ohm = 42 amps, this is with the battery charged to 4.2 volts, some chargers charge to 4.16 volts etc and some cheap chargers will over charge to 4.29 etc. Just be sure you are correctly measuring your resistance for safety sake. .1 is just literally playing with fire.

Kurt

 

[amtseung]

Hello and welcome to the forum. Glad to have you here!

If you are going to be using a mech mod and rebuildables you need to first educate yourself on battery safety, ohms law and amp draw. For an education on mods and rebuildables I highly recommend you spend some time with Baditude (our resident battery expert) and visit his blogs. Baditudes Blogs. The blogs regarding mods and rebuildables are listed below:

BATTERIES

9. Battery Basics for Mods: IMR or Protected ICR?
* Another essential read to understand which batteries are safe to use in mechanical and regulated mods. Includes a frequently updated list of recommended safe-chemistry, high-drain batteries with their specifications.

11. Deeper Understanding of Mod Batteries Part 1
* For those who want to learn the differences between IMR, IMR/hybrid, and ICR batteries. What do those numbers and letters on batteries mean? What's an amp rating?

12. Deeper Understanding of Mod Batteries Part 2
* Protected vs unprotected batteries - what's the difference? Ohm's Law 101. What is an AW battery? What is an inline fuse? What is stacking batteries?

17. Purple Efest Batteries Not As Advertised
* A cautionary blog that reveals that the purple Efest batteries may not have the specifications advertised. Also includes a commentary on "continuous discharge ratings" vs "pulse discharge ratings" of battery specs.

OHM'S LAW

14. Ohm's Law for Dummies (Vapers)
* My attempt at explaining Ohm's Law in layman terms and how it relates to vaping.

16. Explain it to the Dumb Noob: Ohm's Law Calculations
* As simple as it is to use, some people have a tough time grasping the concept. Warning: Includes graphic photos of mod explosions.

MECHANICAL MODS & REBUILDABLES

7. Information Resources for Your First RBA
* An essential read and reference guide for someone new to rebuilding coils. Includes a multitude of useful links on battery safety, mod safety, coil meters, coil building, and the differences in the three types of RBA's.

15. Inexpensive Mechanical Mod and RDA Setup
* A response to the frequently asked question on how to get into rebuildable atomizers with a mechanical mod inexpensively. Includes a list of commonly used tools and supplies for rebuilding and where to find them.

If you're new to mech mods, or are looking to do better on your next physics exam on circuits and resistors in parallel vs. series, Baditude's blog posts are the best resource around to date. Just read and absorb. :3

 

[Fieldofbutter]

you are a saint for posting all this.