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How to make a Joule Theif/Vampire Torch

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  • Visinedrops
    replied
    I've noticed when using batteries, they become slightly warm. You can extend the life of batteries by placing them in the fridge after use, quickly cooling them.

    Leave a comment:


  • lazer128
    replied
    Originally posted by Big_Saw View Post
    Very cool hack.....

    Paul Harvey turned me onto another way to get more juice from a battery....when the performance fails, remove the batts and tap the positive ends together smartly....you compress the inner whatchamajiggers and get about 15% more batt life...:D

    Seems to work in my safety-muff radio....
    Well I think I'll try that next time I get caught in the dark with weak batteries.

    The joule thief is very cool.

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  • Big_Saw
    replied
    Originally posted by Zombie Axe View Post
    http://www.emanator.demon.co.uk/bigclive/joule.htm

    Good use for those batteries that will not power your other electronics that you think are DEAD! Talk about getting your money's worth out of batteries!
    Very cool hack.....

    Paul Harvey turned me onto another way to get more juice from a battery....when the performance fails, remove the batts and tap the positive ends together smartly....you compress the inner whatchamajiggers and get about 15% more batt life...:D

    Seems to work in my safety-muff radio....

    Leave a comment:


  • Zombie Axe
    started a topic How to make a Joule Theif/Vampire Torch

    How to make a Joule Theif/Vampire Torch

    http://www.emanator.demon.co.uk/bigclive/joule.htm

    Good use for those batteries that will not power your other electronics that you think are DEAD! Talk about getting your money's worth out of batteries!
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