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Car Forum / Driving, Maintenance, Tuning / RVs / June 200412v socket
Hi there, I would like to add a 12v socket inside my trailer. What would be the best approach to do this? Do I just need to find a hot dc wire and a ground? and of course add a fuse. I would like it for my cell phone mostly. Also would I be able to run one of those inverters that takes dc and gives me ac power or would that quickly drain my battery? Thanks Later. > Hi there, I would like to add a 12v socket inside my trailer. What would be > the best approach to do this? Do I just need to find a hot dc wire and a [quoted text clipped - 3 lines] > > Later. That would work perfeclty fine. Make sure you place the fuse at the *battery*, not at the plug. A very common error. At this site is some info about inverters, how much current they draw, etc. Good reading http://bart.ccis.com/home/mnemeth/12volt/12volt.htm > Also would I be able to run one of those inverters that takes dc and gives > me ac power Yes. > would that quickly drain my battery? Probably. Inverters come in many output levels. The greater the output, the greater the draw on the battery. A top-end motorcoach with a 3,000-4,000-watt inverter will typically have FOUR batteries. If you are "dry camped" (no "shore power"), you need your battery for running the furnace and water pump (if present). Draining the battery to make A.C. power would be a luxury that you probably couldn't "afford". In any case, large inverters are quite expensive. :) JR I was thinking a lot samller than that. Like a 300-400 watt, even less Im just thinking some thing with a single plug to use the odd time. No TV's or Microwaves haha. Waste of time to install maybe? Thanks. Kevin > > Also would I be able to run one of those inverters that takes dc and gives > > me ac power [quoted text clipped - 18 lines] > :) > JR I use a small 400 watt inverter (Sams club) to power the small stuff. Works just fine and doesn't pull too much on the battery as long as you are frugal in it's use. (over short periods of time) I assume you are talking about a pop-up and if you're like me probably not powering much else other than interior lights. I also installed a (fused) cigarette lighter plug down near the converter. Works great but I would be carefull about charging battery's with your 12 volt battery. Do not leave unattended as I have even drained my towing vehicles power (as in dead..) by leaving my cell phone plugged in and charging while the vehicle was not running. > I was thinking a lot samller than that. Like a 300-400 watt, even less > Im just thinking some thing with a single plug to use the odd time. No TV's [quoted text clipped - 29 lines] > > :) > > JR WOW, wonder what kind of cell phone charger you have. The charger draws only a few milliamperes. You should be able to leave it plugged in for days without any significant effect to the battery. > I use a small 400 watt inverter (Sams club) to power the small stuff. Works > just fine and doesn't pull too much on the battery as long as you are frugal [quoted text clipped - 44 lines] > > > :) > > > JR > ...I have even drained my towing vehicles power (as in dead..) by leaving > my cell phone plugged in and charging while the vehicle was not running. > WOW, wonder what kind of cell phone charger you have. The charger draws > only a few milliamperes. You should be able to leave it plugged in for days > without any significant effect to the battery. I was wondering that myself. My daughter once told me she was advised to NOT leave her cell phone connected to her car's 12VDC outlet when the car wasn't running as it would discharge the car's battery. Unless I'm missing something, I can't see where a large car battery, with >100 amp/hr capacity could be discharged by a TINY cell phone battery rated in milliamps. On the other hand, if one were using an INVERTER to power a 120VAC cell phone charger, I suppose that could do it as the inverter consumes DC power even when there is NO load (albeit minimal). Interesting... :) JR The output on my cell charger is 340 ma, It would take quite a while to draw down a car battery more so considering that is the draw when it is charging and o when the cell phone battery is fully charged. I have a hands free unit that I plug my cell in to and have left it there for days. BILL > > ...I have even drained my towing vehicles power (as in dead..) by leaving > > my cell phone plugged in and charging while the vehicle was not running. [quoted text clipped - 20 lines] > :) > JR I don't think it was the charger in and of itself, more than likely it was the inefficient invertor eating the battery up. -- Gerry 99 Mesa 01 Sporttrac > > ...I have even drained my towing vehicles power (as in dead..) by leaving > > my cell phone plugged in and charging while the vehicle was not running. [quoted text clipped - 21 lines] > :) > JR |
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