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 12v -24v converter - Old School		  New Topic  Reply to Topic
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wyobiomass
New Member

1 Posts
Posted - Jun 25 2012 :  6:03:49 PM  Show Profile  Visit wyobiomass's Homepage  Reply with Quote
I have a challenge! I have a 24v motor, two 12v deep cycle batteries wired in series and one 12v alternator on my pickup. My 24v motor only draws off the batteries and I want the 12v system to recharge the batteries. When the vehicle is not moving the 24v motor will draw power.

Q1: How can I build a recharging system without a modern day 12v-24v converter?

Q2: Where can I get a forward/reverse switch that will handle up to 100amp for 5-10 seconds?

Who has the lowest cost solution????

Aaron Cake
Administrator

Canada
6718 Posts
Posted - Jun 30 2012 :  10:43:21 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
You can wire up some relays to switch the batteries from series to parallel as shown in this contactor controller:
http://www.aaroncake.net/circuits/cntctcon.asp

Your forward and reverse can be a big honking DPDT switch, wired to reverse polarity. Or a set of starter solenoids if you want remote operation.

This is a whinch of some kind I take it?
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