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Type: Posts; User: fredarose

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    That is some serious lighting!!!!

    That is some serious lighting!!!!
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    I have not seen the insides of the headlight you...

    I have not seen the insides of the headlight you are talking about, but suspect it is not overly sophisticated. To save battery power, very few lights will have anything more than a simple resistor...
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    Correction to my post

    I just re-read my post and found I had made it a little confusing...I typed:
    "Adding a series resistor between the LED and the batteries and the lamp..."
    When I should have typed:
    "Adding a series...
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    LED headlamp batteries

    The problem is not the voltage of the lithum batteries. Many LED lights and laser pointers rely on the internal resistance of the batteries to limit the current through the LEDs. The lithium...
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