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12V --> 4V How?

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
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What are the current requirements?

And asking once is polite. Don't post the same question multiple times.
 

[email protected]

Mar 26, 2012
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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?????????????/
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
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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.
 

GreenGiant

Feb 9, 2012
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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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