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Thread: Pants on Fire

  1. #1
    Join Date
    Dec 2009
    Location
    Neenah, Wisconsin is about 40 miles south of Green Bay's Lambeau Field.
    Posts
    2,235

    Default Pants on Fire

    Thought I'd share an experience I had yesterday with my cellphone. I always carry it in my right hip pocket, took the phone out to check something and noticed it was warm to the touch, not hot but getting there. After looking closer I noticed the case had separated, front from the back, still together but visibly separating. "So what the h*** is this?" I hadn't dropped it or damaged it anyway. The thing is getting warm enough to now be uncomfortable to handle so I shut it off. Took it in to the store where I bought it and was told that I was lucky to catch it when I did. I had what they call a Thermal Runaway. In my case I caught it early as the battery started to swell it split the front and back of the case and that's when I noticed the problem. Here's what Google has to say about the phenomenon; A swollen lithium-ion battery can be extremely dangerous if left in your device. It could become punctured, causing hazardous gases to escape. A swollen cell phone battery could even catch fire or explode while you're holding it, leading to serious injury. Swollen batteries, while not common, are a significant risk. They are the result of too much current inside a cell of the battery, which causes a build-up of heat and gas. This could damage the lithium-ion battery causing it to overheat and burst into flames. So, I was lucky. It could've happened on the free-way at 70 mph or under 5 layers of clothing while snowmobiling. Isn't technology great?

  2. #2
    Join Date
    Dec 2009
    Location
    Michigan
    Posts
    237

    Default

    Radiation is killing you from carrying it in your hip pocket your toast anyways ��

  3. #3
    Join Date
    Dec 2009
    Location
    Phoenix, AZ (Displaced Yooper with family connections in Houghton, Ontonagon & Marquette counties.)
    Posts
    3,330

    Default

    Quote Originally Posted by yamaholic View Post
    Radiation is killing you from carrying it in your hip pocket your toast anyways
    Yeah, I would think carrying your toast in your pocket would not be a good idea - a "crummy" one at least!

  4. #4
    Join Date
    Jan 2018
    Location
    North Aurora, IL.
    Posts
    345

    Default

    Quote Originally Posted by yamaholic View Post
    Radiation is killing you from carrying it in your hip pocket your toast anyways ��
    Is that why I could never have kids? I was always wondering…hmmm.. well I guess that answers it it
    Last edited by snomoman; 06-16-2021 at 12:34 AM.

  5. #5
    Join Date
    Dec 2009
    Location
    Out there
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    5,322

    Default

    As far as going 70 on the freeway.....So is this the same basic battery technology that is going to power all of our vehicles soon?....YEAH!

  6. #6
    Join Date
    Dec 2009
    Location
    North Twin Cities
    Posts
    1,286

    Default

    Thank you frnash, for the coffee spitter.

    gary_in_neenah, I'd never heard of the term thermal runaway. I know that puncturing through the layers isn't a good idea. Some do fail just because the layers are corrupted. Seems crazy that it would happen with normal use just hanging out in a pocket.

  7. #7
    Join Date
    Dec 2009
    Location
    Neenah, Wisconsin is about 40 miles south of Green Bay's Lambeau Field.
    Posts
    2,235

    Default

    Quote Originally Posted by favoritos View Post
    Seems crazy that it would happen with normal use just hanging out in a pocket.
    My thoughts exactly and as my wife pointed out, it's good it happened when it did and not in the middle of the night.

  8. #8
    Join Date
    Jan 2013
    Location
    Green Bay
    Posts
    127

    Default

    One of my work iPhones was having battery issues and our company IT guy looked at the case from the side and said, yes, it had split and expanded the case. He said time for a new phone anyway. I never remember it getting hot, though. Good thing you caught it. This just happened on a commercial flight and they put it in a special bag that controlled it so it wouldn't burn completely.

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