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12V --> 4V How?

Discussion in 'General Electronics Discussion' started by [email protected], Aug 20, 2012.

  1. smhn72@gmail.com

    [email protected]

    24
    0
    Mar 26, 2012
    I want to convert 12 v DC in to 4 v DC how it is possible?
     
    Last edited by a moderator: Aug 20, 2012
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,174
    2,690
    Jan 21, 2010
    What are the current requirements?

    And asking once is polite. Don't post the same question multiple times.
     
  3. smhn72@gmail.com

    [email protected]

    24
    0
    Mar 26, 2012
    Dear Sir

    i hav already told that i m getting 12 v DC form my solar pannel and want to charge a battry of 4v 3.5 Ah battry form this so i want to convert 12 DC to 4DC
    how it is possible?????????????/
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,174
    2,690
    Jan 21, 2010
    Do you mean you have another thread that has more details, but you started *TWO* more to ask the same question. I didn't look, but assumed you were a first time poster.

    Find me your old thread and post a link to it so I can look at it.
     
  5. GreenGiant

    GreenGiant

    830
    5
    Feb 9, 2012
    Though you have a capacity rating for the battery, you dont have a current at which you want to convert (like steve asked) we need to know if your solar panel outputs .5,1,5,10,3000 Amps, and what type of battery that you are using?

    do you need 4,4.2 or 4.5VDC? 4 is not a common value for a battery voltage, 4.2 is seen occasionally, and 4.5 is quite common (using battery packs with multiples of 1.5V)
     
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