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Battery safety and high temperatures.

Discussion in 'General Vaping Discussion' started by H4X0R, Apr 25, 2016.

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  1. H4X0R

    H4X0R Senior Member ECF Veteran

    Jul 4, 2014
    NM
    Hey guys, so we've all heard those horror stories about people's batteries exploding in their pockets and what not. So my question to you guys, is how hot does a battery need to get to be a safety hazard? Say you went out jogging on a 90 degree days (Fahrenheit in this case) and you had a battery in your pocket, is that a hazard? Does it need to be in direct sunlight light on a 100 degree day? Just worst case scenarios here and what's the threshold for it to be a hazard waiting to happen? Thanks guys! This should be a rather interesting discussion.
     
  2. sonicbomb

    sonicbomb Vaping Master Verified Member ECF Veteran

    Feb 17, 2015
    1187 Hunterwasser
    Mooch sets his safe cutoff limit at 100°C for 18650s during his continuous discharge testing. I'm pretty sure you would not be able to get close to this short of boiling while sitting in the the direct mid-day sun. The ambient temperature is of course going to affect the overall temperature of the battery under load, but but by how much is hard to say short of mounting a thermal sensor inside the cell.
     
    • Like Like x 2
  3. beckdg

    beckdg ECF Guru Verified Member ECF Veteran

    Oct 1, 2013
    TN
    If the battery heats itself up.

    That's what you have to worry about.

    Don't put one in the oven or apply a black wrapper and heat it under a magnifying glass on a sunny day. Or make a habit of leaving one in a hot car.

    But for the most part, environmental temperatures aren't an issue.

    Tapatyped
     
    • Like Like x 4
  4. K_Tech

    K_Tech Slightly mad but harmless Verified Member ECF Veteran

    Supporting member
    Sep 11, 2013
    Eastern Ohio, USA
    What Sonicbomb said. 100C is a generally safe limit, and I've seen some testing on Lion batteries using an external heat source and the batteries (generally) went into thermal runaway above 220C (428F).
    Just think about the conditions that these batteries go through on their journey to your mailbox. Shipping containers, trucks, vans, all around the world, being exposed to Siberian cold and desert heat. Although battery safety should never be taken lightly, they're reasonably safe under any environmental conditions we can expose them to.

    That being said, I still wouldn't leave a battery in a hot car, just to be on the safe side.
     
    • Like Like x 5
  5. H4X0R

    H4X0R Senior Member ECF Veteran

    Jul 4, 2014
    NM
    Awesome! So the chances of it getting too hot in your pocket and venting or exploding is extremely minimal? And for that matter, lets say you sweat a bit, and the battery gets slightly wet? Only slightly. Is that an issue? I'm just giving worst case scenarios here, but thanks all for your responses!
     
  6. MMW

    MMW Vaping Master ECF Veteran

    Oct 8, 2015
    NH
    Don't carry loose batteries in your pocket without a case or silicone sleeve.
     
    • Like Like x 7
  7. Baditude

    Baditude ECF Guru ECF Veteran

    Apr 8, 2012
    Ridgeway, Ohio
    Also take care if you are carrying your mod in a pocket or purse, especially if its a mech. If the fire button gets compressed for too long, you'll overdischarge the battery and it will go into thermal runaway. <--- personal experience.

    I don't think keeping your setup in an unventilated car during hot summer heat is a good idea either. If it's too hot for a baby or a dog, its too hot for the batteries. Doesn't matter if its in the trunk or glove compartment, its still too hot.
     
    • Like Like x 4
  8. sparkky1

    sparkky1 Vaping Master ECF Veteran

    Jul 8, 2014
    Nashville
    Jogging and vaping, never heard of that but my suggestion would be to wrap it in a towel in direct sunlight peek summer heat and maybe not pocket while your exercising.
     
    • Like Like x 1
  9. Hitmetwice

    Hitmetwice Ultra Member ECF Veteran

    Jan 18, 2012
    Ontario
    Agree^^^^^ too many issues seem to happen in pockets. Carry a vape bag, manpurse, strapon haha. with the batts in a seperate case from everything else insuring they'll never contact metal and short.
    That way if .hit hits the fan it can be pitched, plus it won't get crushed or fall to the ground as easily as if it were in a pocket. ymmv.:2c:
     
  10. woodhippy

    woodhippy Master of Know Place Verified Member ECF Veteran

    Sep 29, 2014
    New Bloomfield MO
    Love this Quote. Words to live by.
     
    • Like Like x 1
  11. sofarsogood

    sofarsogood Vaping Master ECF Veteran

    Oct 12, 2014
    I follow ecig news and pay attention to the accidents in use (not including charging). Two risk factors seem to account for nearly all the accidents so far, mechanical mods and lose batteries with unprotected terminals. I believe vapers should stick with built in battery mods until they can do a watts law calculation from memory to determine if the batter they are considering is safe for the mod they want to use. It's not commplicated but might seem that way when you are feeling the stress and distraction of stopping smoking. Be a tootle puffer for a while and start learning the more complicated stuff. Don't get on the 6 oclock news.
     
    • Like Like x 1
  12. H4X0R

    H4X0R Senior Member ECF Veteran

    Jul 4, 2014
    NM
    Does a silicone sleeve really make a difference? I didn't even know those were a thing! Lol What would be the most pocket friendly way to carry a mod around with you? The Tesla Two I use is pretty pocket sized for a sub ohm device, but I'm always iffy about it, I live in New Mexico and it's hotter than you know what here haha
     
  13. MMW

    MMW Vaping Master ECF Veteran

    Oct 8, 2015
    NH
    I was referring to loose batteries like you stated. Not in a mod. Just a battery in your pocket. That is the new wave of "accidents" in the media.
     
  14. sparkky1

    sparkky1 Vaping Master ECF Veteran

    Jul 8, 2014
    Nashville
    This is pocket friendly Eleaf iStick Pico 75W TC Starter Kit by Jay Bo Designs
     
  15. mauricem00

    mauricem00 Super Member Verified Member ECF Veteran

    Feb 18, 2015
    carson city nevada
    don't know about the batteries used for vaping but for LI-PO and LI-ION 160C is considered the maximum operating temperature.anything over that and the battery will likely vent
     
    • Like Like x 1
  16. sofarsogood

    sofarsogood Vaping Master ECF Veteran

    Oct 12, 2014
    My Li batters are either in a device, a charger, or a silicone sleeve like this. https://www.fasttech.com/search?18650%20silicone You should have protected storage for every loose battery. The negative terminal of a battery is the entire case, which wraps around and stops very close to the positive terminal on the top. If the wrapper is damaged next to the positive terminal a single metal object could cause a short.
     
    • Like Like x 1
  17. sparkky1

    sparkky1 Vaping Master ECF Veteran

    Jul 8, 2014
    Nashville
  18. smokinGAVIN

    smokinGAVIN Super Member ECF Veteran

    Sep 2, 2014
    Manila, Philippines
    I have had a battery slip out of a silicon case once. I only use the plastic ones now.
     
    • Like Like x 1
  19. HauntedMyst

    HauntedMyst Vaping Master Verified Member ECF Veteran

    Mar 18, 2013
    Chicago
    Why are you doing jogging with a mod in your pocket? That seems an odd combination. They may be out of fashion but take a fanny pack or leave the mod until you've cooled down. I go out in the summer all the time with a mod in my pocket, along with a spare battery, loose change and my car keys but I have a confused relationship with my genitals ever since this whole transgender issue erupted (Its so confusing. I mean, I am a man trapped in a man's body but ever since I was 12 or 13, I want to use the womens showers at the gym because the thought of it gives me special tingly feelings. I mean when attractive women are in there, not after the weight watchers workout. I'm not some sort of weirdo. So what should I do? It's all very confusing). That and I secretly hope to become the next youtube sensation. But I don't recommend it for everyone for a few reasons:

    1. You may blow up and steal my spotlight.
    2. You may carry the genes that take the human species to the next level (though probably not if you are carrying batteries around in your pocket with loose change or if you are a recently fired professor from Mizzou)
     
    • Like Like x 5
  20. H4X0R

    H4X0R Senior Member ECF Veteran

    Jul 4, 2014
    NM
    This comment was just absolutely entertaining. LOLOLOL
     
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