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Need help extending battery life of a Kodak V608 cam.

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Discussion in 'Power Electronics' started by tj107us, Apr 23, 2011.

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  1. Apr 23, 2011 #1
    tj107us

    tj107us

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    Apr 23, 2011
    hey guys, i'm working on a simple project. First of all i have a Kodak V608 point and shoot digital cam, and the battery doesnt last long enough. Im looking at using a 6V rechargeable deer feeder battery to connect to the charger port. What my question is how can i reduce the 6vdc to the 5vdc that it requires? I just need a simple something, i tried resistors but they only reduce the current.

    thanks for any help!!
    tj
     
  2. Apr 24, 2011 #2
    davenn

    davenn Moderator

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    Sep 5, 2009
    an easy and slightly crude way would be to use 2 diodes in series say 1N4002 type
    you would get ~0.5 - 0.6V drop across each diode.

    keep in mind what the actual voltage of the 6V battery is when fully charged
    does it get up to 7V ?

    Dave
     
  3. Apr 24, 2011 #3
    tj107us

    tj107us

    48
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    Apr 23, 2011
    when i brought it home and put a meter on it, it says 6.2v. but ill hook up a charger and then read the voltage again.
     
  4. Apr 24, 2011 #4
    tj107us

    tj107us

    48
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    Apr 23, 2011
    well i done some pidling around and found some 5408 diodes that i have, made me a little test circuit board out of cardboard and soldered some wires together. It will take 6 -5408 diodes to get the voltage down to 5.03vdc so that should do it. thanks Davenn for the info!!!


    tj
     
  5. Apr 24, 2011 #5
    Resqueline

    Resqueline

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    2
    Jul 31, 2009
    You'll find that the voltage will drop with the amount Dave suggested when you put a load on (a DVM does not constitute a load). I guess you'll end up with 3-2 diodes.
     
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