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Old 01-12-2013, 06:23 PM   #1
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12v DC versus 110 AC, which is better for small electronics?

Is there any advantage to putting in DC appliances (TV, Toaster, DVD, etc) as opposed to running them off battery/inverter or generator/inverter? Is there lest draw? Am I only going to reduce the amount of time the inverter (converter?) will be running?
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Old 01-12-2013, 08:49 PM   #2
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Old 01-12-2013, 10:18 PM   #3
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Some of both. So I assume that going all 12v is helpful off the grid. In the end though, a 12v TV will use the same amount of energy as a 110v, right?

On the grid, it really won't help much. Having LED bulbs will lighten the load on my converter, and would extend battery life when boondocking, right?
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Old 01-12-2013, 10:23 PM   #4
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LED lights will take a huge load off. For those times away in the woods consider a small generator to run the 110 stuff you really need??
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Old 01-12-2013, 10:52 PM   #5
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The 110v outlets and appliances will not operate off the grid without a generator giving you the 30A 110v they need. Not sure it's worth the expense of switching to 12v as you'd need a good deal of battery in the absence of a generator, and if you get a generator, then there's no reason to go to 12vdc.
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Old 01-16-2013, 01:47 PM   #6
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As a general rule, the higher the voltage, the more efficient the device. There are many exceptions to that, but it usually holds true. There have been movements in the auto industry to adopt a 48v standard as it would actually use less copper in building cars because they could use lighter gauge wire.

so from a kilowatt usage aspect, 110v is more efficient.
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