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Thread: Warning do not carry exposed batteries in your pocket.

  1. #31
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    Default Re: Hot pocket!!!!

    If you think about it, there's a large amount of energy stored in a small battery, and if you provide that energy with a means to escape all at once, via a short, things are likely to go wrong (and hot) quite fast.

    There are good 123-size capsules (and other sizes) available that would prevent this type of incident. Well worth consideration, if you want to avoid unpleasant occurrences in the nether regions...

    I'll move this to the Smoke & Fire section.
    Resistance is futile...

  2. #32
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    Default Re: Hot pocket!!!!

    I'm glad to see that you were able to escape injury. The same thing happened to me many years ago with a 9v battery so I can relate. It taught me a healthy respect for exposed battery terminals!

  3. #33
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    Default Re: Hot pocket!!!!

    I usually keep extras in an empty medicine bottle..learned the hard way as per my other post...

  4. #34
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    Default Re: Hot pocket!!!!

    i carry spares in my edc bag but never thought about your scenario.. will have to get a battery case like the ones in batt junc.

  5. #35
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    Default

    I had the same thing happen with an AA NIMH. I never thought a little battery could get so hot. The battery was fine after it cooled off.

  6. #36
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    The battery I had got severely hot also. It cooled down after a while. I wasn't about to put that one in any of my lights. I put it with all my other old batteries.

  7. #37
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    Default Re: Warning do not carry exposed batteries in your pocket.

    Here's what I do when I need to carry exposed batteries in my pocket:
    1. Use my left pocket which usually does not contain anything metal.
    2. Reduce the amount of items I carry in that pocket.
    3. When carrying my Ham radio battery I ensure it is the only item in the pocket or other items are non conductive (such as packaging for batteries).
    4. When carrying other cells in combination with my ham radio battery (and always for lithium) keep the cells in the original packaging.

  8. #38
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    Default Re: Warning do not carry exposed batteries in your pocket.

    I did something similar with a little old rechargeable AAA several years ago. The spare in my pocket with my keys provided my thigh with quite an unexpected surprise! I am sure my friends thought I looked hilarious jumping up from the couch to dig furiously into my pocket in search of whatever was burning my leg.

  9. #39
    Flashaholic holylight's Avatar
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    Default Re: Warning do not carry exposed batteries in your pocket.

    dangerous ....
    lights: saber1a, v11r, sc52, sc600ii, ea4, tn31, archer1a.



  10. #40

    Default Re: Warning do not carry exposed batteries in your pocket.

    I keep my spare batteries in one of two cases:
    a) pharmacy pill containers; these come in various lengths and diameters so you can fit various types of cells in them from single 18650 to multiple aaa and aa combinations, and
    b) blood test strip containers with the attached flip top lid which are pretty much perfect for one single CR123 cell.
    Stay safe,
    Doug

  11. #41
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    Default Re: Warning do not carry exposed batteries in your pocket.

    I use this for carrying cells...

    http://www.lighthound.com/Ballistic-...ng_p_3716.html

    Very nice!
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  12. #42

    Default Re: Warning do not carry exposed batteries in your pocket.

    These are the best battery holders, carriers that I know of. They hold 2 X 18650 or 4 X cr123 and they are only 99 cents. They are very heavy duty and I'm pretty sure they could handle a car running over them. They are also waterproof. http://www.lighthound.com/Lighthound...es_p_2803.html

  13. #43

    Default Re: Warning do not carry exposed batteries in your pocket.

    Haha...a thread a newbie can definitely post in

    I had charged a couple of AAs in my charger at work, and had pulled them off immediately before I left for home. I absentmindedly tossed them in my pocket, forgetting that I had about $3 in quarters jingling in there. I had no issues on the walk to the truck, the drive home, or the afternoon chores...the only time I had figured out something was wrong was when I could no longer ignore the stinging sensation on the tender part of my thigh while sitting on the bed in a bent over position, reading papers with financials on them. I was on a fairly important call for personal business and couldn't hang up, nor could I let the other party know what had happened, which was tough.

    I was hopping around in the middle of the bedroom, flinging batteries, pocket change, and pocketknives everywhere in a valiant attempt to prohibit spontaneous combustion...while strenuously attempting to keep my voice calm on the phone.

    It took about 5 minutes for the pocket change to cool off, a little less for my knife, but the batteries stayed warm for a while.

    Needless to say I now have plastic holders for all batteries I keep in my pockets.

  14. #44
    *Flashaholic* Monocrom's Avatar
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    Default Re: Warning do not carry exposed batteries in your pocket.

    Quote Originally Posted by JoeAsheville View Post
    Haha...a thread a newbie can definitely post in

    I had charged a couple of AAs in my charger at work, and had pulled them off immediately before I left for home. I absentmindedly tossed them in my pocket, forgetting that I had about $3 in quarters jingling in there. I had no issues on the walk to the truck, the drive home, or the afternoon chores...the only time I had figured out something was wrong was when I could no longer ignore the stinging sensation on the tender part of my thigh while sitting on the bed in a bent over position, reading papers with financials on them. I was on a fairly important call for personal business and couldn't hang up, nor could I let the other party know what had happened, which was tough.

    I was hopping around in the middle of the bedroom, flinging batteries, pocket change, and pocketknives everywhere in a valiant attempt to prohibit spontaneous combustion...while strenuously attempting to keep my voice calm on the phone.

    It took about 5 minutes for the pocket change to cool off, a little less for my knife, but the batteries stayed warm for a while.

    Needless to say I now have plastic holders for all batteries I keep in my pockets.
    I recommend getting a jumbo Tic-tac container of mints. Carefully peel the label off, remove the mints, use the container to carry three AA batteries standing up. Honestly, it's as though the jumbo-sized Tic-tac containers were perfectly sized to hold three AAs. Just place the white plastic top back on, and there you go.
    "The World is insane. With tiny spots of sanity, here and there... Not the other way around!" - John Cleese.

  15. #45
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    Default Re: Warning do not carry exposed batteries in your pocket.

    Quote Originally Posted by Juan334 View Post
    Had a trustfire 16340 in my pocket and noticed something felt like it was stinging me. So I feel the outside of my pocket and its hot and I pull out my keys and then the battery and had it in my hand and it was getting hotter so I threw it outside and forgot about it just thought I would add my story
    Common sense rules in using and storing batteries otherwise you get the bogey man stories.It makes perfect sense to warn others that you lacked care on the day.
    Sent from my Mobile using my sticky fingers.

  16. #46
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    Yellowlaugh Re: Warning do not carry exposed batteries in your pocket.

    I'll bet there are more of us flashaholics who've learned this lesson the hard way than who care to admit it....not me of course.
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  17. #47
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    Default Re: Warning do not carry exposed batteries in your pocket.

    Quote Originally Posted by Colonel Sanders View Post
    I'll bet there are more of us flashaholics who've learned this lesson the hard way than who care to admit it....not me of course.
    +1 and i admire the ones who admit it.
    Sent from my Mobile using my sticky fingers.

  18. #48

    Default Re: Warning do not carry exposed batteries in your pocket.

    they say a wise man learns from his mistakes but a wiser man learns from other's mistakes.

    i don't recall ever putting batteries in my pocket but after reading this i never will. thanks for this nugget of wisdom.

  19. #49
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    Default Re: Warning do not carry exposed batteries in your pocket.

    Yup, had this happen once with a 9V alkaline battery and a bunch of coins in my pants pocket. A quarter had shorted out the two terminals--not very hard to do since 9V batteries have both terminals on the same side and they're close together.

    I'd forgotten I had it in my pocket, when I suddenly felt the right side of my outer thigh getting very warm. Reached into my pocket and pulled out the battery, minus the coins. No harm done, got a good laugh out of it. But it's a good thing it wasn't some sort of lithium.
    Last edited by magellan; 03-23-2014 at 08:08 AM.
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  20. #50

    Default Re: Warning do not carry exposed batteries in your pocket.

    Quote Originally Posted by Starofthesea View Post
    Sounds like a good way to make an emergency hand-warmer--probably would work best with a nine-volt.
    I've been on the receiving end of that... Carried a 9v and a "firefly" 9v IR strobe in my pocket; I cannot remember what it was that I added to that pocket, but it was metal and it shorted out.

    I put a strip of electrical tape over the (new) 9v and from then on I never allowed it to share a pocket with anything metal.

  21. #51

    Default Re: Warning do not carry exposed batteries in your pocket.

    I bought a laser pointer when they first dropped to $10. It wasn't a cheapie, all brass with chrome over copper plating. The only problem was the end would unscrew in my pocket and dump out the pair of LR44's to short against the pointer, my keys, pocket knives etc.

    Never got hot, just annoying that when I wanted to use the laser the batteries had escaped and died. I'd buy little styrene incan lights from a dollar store to get cheap pairs of LR44's to feed its appetite and replace the escape artists. I still have the pointer, somewhere, most of its plating is worn off.

    Same story with a tiny 5mm white LED flashlight that used 4 very small button cells. It came with 8 and after the second set escaped I tossed it. Four new cells cost more than the light and 8 cells.

  22. #52
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    Default Re: Warning do not carry exposed batteries in your pocket.

    After reading this, I should be more careful. Thanks for the WARMING guys!

  23. #53

    Default Re: Warning do not carry exposed batteries in your pocket.

    Never would of thought of this happening.
    Now adding a carrying case to the purchase list... thanks for the warning(s)...

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