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Unread 01-17-2014, 03:58 PM   #1
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Default Hi amperage DC to DC Converter

I need a 48v to 12v DC to DC converter that is capable of 40 - 50 amps of current output (12v). Anyone know of any out there that aren't too pricey? Most of the mainstream converters that I am finding can only handle up to 30 amps. I am trying to keep from adding an additional 12v battery. Thanks!
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Unread 01-17-2014, 05:57 PM   #2
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Default Re: Hi amperage DC to DC Converter

Anything wrong with two 48 to 12 volt reducers. You are not running one item that pulls that much are you.
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Unread 01-17-2014, 11:05 PM   #3
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Default Re: Hi amperage DC to DC Converter

Adding a 12v battery will be a nice "buffer" for your 12v equipment. I know, saving space, but i know of no cheap alternative to do the task you want for the price you want. Stereo + amp, right?
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Unread 01-18-2014, 07:12 PM   #4
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Default Re: Hi amperage DC to DC Converter

I am installing an amplifier that pulls about 30 amps continuous. Wasn't sure about wiring multiple converters in parallel - never tried it. I did find a 35 amp converter from Kelly Controllers for $139.00. Might give it a shot. I will post pictures of a few carts we've done with this setup once I have 7 days under my belt! Thanks for the replies!
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Unread 01-18-2014, 07:29 PM   #5
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Default Re: Hi amperage DC to DC Converter

Forgot to ask: has anyone wired multiple converters in parallel? Any issues to consider?

I posted some of the pics in an album under my profile...

Thanks!
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Unread 01-18-2014, 07:29 PM   #6
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Default Re: Hi amperage DC to DC Converter

For the price of a high aperage converter ( $139 ) , and being sure your pack is isolated from any drainig issues from accessories , use a seperate 12 volt battery , esp. If you are going to run a winch in future , best real option available for you
Good luck
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Unread 01-18-2014, 07:35 PM   #7
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Default Re: Hi amperage DC to DC Converter

What about using a DC to DC converter with a 13.5v output off the main battery bank to keep an aux 12 volt battery charged? Just thinking out loud here...
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Unread 01-18-2014, 07:55 PM   #8
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Default Re: Hi amperage DC to DC Converter

Most people just use a separate heavy duty deep cycle marine battery ( I use 160 amp/ hr ) and plug it into a separate 12 volt charger when you plug your
Cart charger in wether that be a 36 or 48 volt charger
Cheers!
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Unread 01-21-2014, 05:37 PM   #9
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Default Re: Hi amperage DC to DC Converter

Quote:
Originally Posted by aebarto11 View Post
What about using a DC to DC converter with a 13.5v output off the main battery bank to keep an aux 12 volt battery charged? Just thinking out loud here...
That has been discussed on here before; I can't seem to find the thread right now, but it was determined that this won't work because the reducer won't have enough power to properly charge the 12v battery...
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Unread 01-21-2014, 05:37 PM   #10
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Default Re: Hi amperage DC to DC Converter

Quote:
Originally Posted by Great white north View Post
Most people just use a separate heavy duty deep cycle marine battery ( I use 160 amp/ hr ) and plug it into a separate 12 volt charger when you plug your
Cart charger in wether that be a 36 or 48 volt charger
Cheers!
This is the right way to do it if you have an auxiliary 12v battery...
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