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Thread: Am I risking life and limb?

  1. #1
    Flashaholic* mvyrmnd's Avatar
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    Default Am I risking life and limb?

    I retrieved this Panasonic 2900mAh cell from a charger (current cell voltage is 4.17V) and noticed this brown stain around the positive contact.



    Would anyone know what has happened?






  2. #2

    Default Re: Am I risking life and limb?

    I do not know what this brown stain is. It is the first time I have seen that. When I came to this part about some dangerous batteries, I feel i must nerve my psych when I use some battery. Safety is importance.

    I suggest don't use that battery again.

  3. #3

    Default Re: Am I risking life and limb?

    In your photo it looks like it's smoking....

  4. #4
    Flashaholic* mvyrmnd's Avatar
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    Default Re: Am I risking life and limb?

    Quote Originally Posted by MikeWilson View Post
    In your photo it looks like it's smoking....
    Nope That's an out of focus plastic bag on the floor behind it.

  5. #5
    Flashaholic*
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    Default Re: Am I risking life and limb?

    looks like it vented, i would properly dispose it.

  6. #6

    Default Re: Am I risking life and limb?

    defintely, it is dangerous if you use it again.

    dispose it right now. Safety is important.

    Next time I choose to buy the battery, I will choose some well-branded battery.

    I gusses this one can be a knockoff

  7. #7
    Flashaholic*
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    Default Re: Am I risking life and limb?

    Quote Originally Posted by led2011 View Post
    Next time I choose to buy the battery, I will choose some well-branded battery.

    I gusses this one can be a knockoff
    OP said it was a Panasonic; doesn't get any branded than that.
    Wish: 1) Super low beacon; easy find flashlight. 2) Low voltage indicator, so not stranded without light. 3) Simple, one handed control ring mode changer (magnetic control ring). 4) Flood beam for walking/tasks. 5) Pocket carry. 6) LiFePO4.


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