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Fandyfire UV-S5 can get dangerously hot!

  • repard Tuesday, February 26, 2013 10:11 PM Reply
    Had the big guy out for some routine maintenance

    SKU: 12067. When I put it away back into its plastic-foam original box I unknowingly switched it back on when I put the lid on. I went out for a couple of hours and upon returning home I smelled a strange burning odour which got stronger as I got closer to my flashlight. Felt the box and gee was it hot! Opened it up to find the insides totally melted! Everything turned out fine but I just wanted to mention how hot this thing got. I work in the airline industry and this incident has shades of the Li-ion battery problems that Boeing is currently having!
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    post edited by repard on 2/26/2013 at 10:14 PM
  • matrix-neo Moderator Tuesday, February 26, 2013 11:23 PM Reply
    your link is for a cell phone!
    re flashlight, if you're going to run light for extended times(or you just want lower temps!) try removing head and replacing thermal compound that usually does the trick
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  • ozOzo Top 10 Forum Poster Wednesday, February 27, 2013 12:09 AM Reply
    SKU: 120679... just one digit missing. ;)
    Lucky escape!
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  • cyclist Moderator Wednesday, February 27, 2013 7:13 AM Reply
    "When I put it away back into its plastic-foam original box I unknowingly switched it back on when I put the lid on."

    "I work in the airline industry and this incident has shades of the Li-ion battery problems that Boeing is currently having!"

    Are you saying that you are the cause of the Boeing problem?!
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  • shayneyasinski Wednesday, February 27, 2013 11:03 AM Reply
    This can be said about many lights in this output range.
    If you are looking for a light that will not melt the inside of a box I suggest SKU: 1138
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  • DrJones Tuesday, March 26, 2013 4:33 AM Reply
    Oops...
    Leaving the light on in a box with thermal insulation is a bead idea, since the heat can not be carried away.
    Try to use lock-out, i.e. turn the head 1/4 turn to break contact between batteries and head, then the button doesn't react any more.
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