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Getting 20 volts

This is the place to get help with batteries, alternators, and charging system's.

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Crisco
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Getting 20 volts

Post by Crisco » Friday, 05 August 2011, 12:16 PM

I've been doing some research on dc to dc step up converters i'm trying to get my voltage up on my mobile setup to twenty volts i have the amps but need more volts. I have found several things on these boost capacitors and step up coverters but cant find exactly what im looking for not to mention it seems as if it would be easy to build one of these if anyone has any advice or knowledge on this please chime in.


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2J-FJ
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Re: Getting 20 volts

Post by 2J-FJ » Tuesday, 09 August 2011, 21:12 PM

DC-DC switching converters can be tricky to get right for a DIY build. I'd suggest just going to something off-the-shelf for your needs.

Where did you come up with the 20V figure?
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str8stroke
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Re: Getting 20 volts

Post by str8stroke » Wednesday, 10 August 2011, 4:03 AM

Just thinking about that one....wouldn't Three 6 Volt golf cart batteries in series give you 18 volts? Not sure how your alternator would like that? Just a thought. I am not sure.
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jessejamesdallas
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Re: Getting 20 volts

Post by jessejamesdallas » Wednesday, 10 August 2011, 4:46 AM

str8stroke wrote:Just thinking about that one....wouldn't Three 6 Volt golf cart batteries in series give you 18 volts? Not sure how your alternator would like that? Just a thought. I am not sure.
You can do that if your running two separate charging systems (two alternators)

You would have your factory alternator running your vehicle as it normally would be, and then the second alternator would need a Adjustable Voltage Regulator on it, so you could dial the alternator up to around 20v's to charge the 18v battery-pack...

The only thing you would have hooked to the 18v battery pack would be your main Amp...No radios, or driver amps, just the final Amp..
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2J-FJ
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Re: Getting 20 volts

Post by 2J-FJ » Wednesday, 10 August 2011, 13:53 PM

A 24V system and just 24-20 step down DC-DC converter could possibly work too.
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Crisco
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Re: Getting 20 volts

Post by Crisco » Wednesday, 10 August 2011, 14:19 PM

Im thinking of going with a motor *Censored*.

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2J-FJ
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Re: Getting 20 volts

Post by 2J-FJ » Wednesday, 10 August 2011, 17:26 PM

Crisco wrote:Im thinking of going with a motor *Censored*.
Quality stuff there...
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