packeteer wrote:charging:
http://redarc.com.au/products-and-servi ... 4v-charger
fridge and winch would be the primary devices running off the 24v setup
noodle wrote:The plus would be less current draw through the electrical system. But it would only be real useful if everything was 24v.
I do believe thee was talk around about having car with 36v systems to try and reduce the amount of current draw due to all the computer systems.
I'm sure there are others who would have more info on where that idea went
helmut79 wrote:You could also run a 24v winch
Chancha_Blanca wrote:I wouldn't bother with a 24v system unless for an emergency weld...
Its the AMP that helps the winch, not the voltage,
so a 12v parallel set up is more AMP
(A set up in series is same amp but 24 volts.)
HK1837 wrote:That is not really correct either. For a given wattage load if you double the voltage you halve the current. Power=VxI (or I squared x R)
If you are using Ohms Law V=RI and you double the voltage for the same resistance R, sure you double the current. But you also greatly increase the power, 144W at 12V or 576W at 24V. However devices designed to operate on a higher voltage typically also present a different resistance as the required power remains the same. Look at any devices you have that run on say 100-240VAC. It will draw twice the current at 115VAC than it does at 230VAC.
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