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Thread: 24volt to 12volt

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11-11-2009, 23:57

#17 (permalink)

mckeeranger

insert witty comment here

Join Date: Apr 2009

Location: Eastern Kentucky

Posts: 726

If you are looking for 12v power in a 24v system, and you have 2-12v batteries in series, why do you need a power converter?

If you pull power from one battery, that's 12v. If you use the battery that has its - terminal grounded to the chassis/body, you can use the chassis/body for your ground, just like a 12v system.

Even on the 5-ton with 4 batteries. You have 2 batteries parallel in series with 2 batteries in parallel, so that's still 24v or 12v for each of the parallel sets. You can still pull 12v from one battery. (Or in this case 2 in parallel)

Sure, the alternator/generator is 24v, but it's dropping that voltage across 2-12v elements (the batteries), so its power is being cut in half by each.

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