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Thread: Battery holder led and resistor, weird!??

  1. 01-24-2016, 04:24 AM #11
    darth_chasm
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    Not when wired in parallel. You only multiply voltage when you wire in series.
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  2. 01-24-2016, 04:37 AM #12
    wolf69
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    yes but you divide amperage in parrallel right? so what is the battery requirement for 3A?
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  3. 01-24-2016, 04:45 AM #13
    darth_chasm
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    A 3.7 volt li-ion battery like FJK said above.
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  4. 01-24-2016, 04:52 AM #14
    darth_chasm
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    This will get you a little over an hour of runtime and it will be bright

    http://www.thecustomsabershop.com/Pa...tery-P853.aspx
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  5. 01-24-2016, 08:24 AM #15
    wolf69
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    Hum ok
    So for this li ion battery no need for transistor since the voltage is approximatively the same as the led right?
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