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12vdc to 19vdc Inveter

Discussion in 'Boat Electronics' started by Colin Lowe, Oct 22, 2003.

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  1. Colin Lowe

    Colin Lowe Guest

    Hi all,
    I want to make a convertor to step up the voltage from 12vdc to 19vdc to
    power my laptop. The mains adaptor I have for the laptop is rated 19vdc and
    3.16A. Thefore I want to step-up the voltage from the 12vdc boat supply to
    19vdc with a capacity of 3.16A max current.
    Do you have a circuit or what other options do I have?

    Thanks
    Colin
     
  2. Guest

    Thanks for the advice, I liked the idea of making one, but in the end I
    parted with some of my hard earned cash and bought one locally similar to
    the one that Radio Shack do.

    Thanks again Doug and Larry.

    Colin.
     
  3. David

    David Guest

    The disk actually runs off 5 volts..


     
  4. I just received one from N4UAU and the workmanship is faultless. I got the
    plug-n-play one I only have to supply the laptop plug. It's great! Leon
    Snider "Motown"
     
  5. Try http://www.compgeeks.com/details.asp?invtid=SDR-70W
    I have been using one for a little over a year now. Has
    worked perfectly, cost only $17.90 and it comes with a
    selection of tips :)

    Have been using a Toshiba laptop. Just got a new Compaq.
    The only change I had to make was to move the selector from
    19 volts to 18 volts. Tip was the same.
     
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