Self Powered Led Flashlight


Using LEDs which use significantly less energy than normal incandescent bulbs and a greater light output you can make a self powered led flashlight. For more details watch the next video.


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8 Responses to “Self Powered Led Flashlight”

  1. 1 mcbunn

    Young lady, in this house we obey the laws of thermodynamics!

  2. 2 leemur

    i’m pretty sure this was originally content of a polish joke. i mean really what’s next? submarine with a screen door? helicopter with an ejector seat?

  3. 3 dave

    Um. No. :)

  4. 4 Fritz

    lol funny, there is a better way um, well a way that works, get a magnet some coiled copper wire, make it so u shake the magnet inside the coil of wire this makes electricity, man that guy is bright

  5. 5 Caleb

    lol at mcbunn…

  6. 6 unTECHy

    Seems like a job for the MythBusters.

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