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12-15-2007, 05:22 PM
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Hummer Veteran
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Join Date: Nov 2006
Posts: 57
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Laptops and power outlets
Has anyone used a laptop with the dash power outlets? The Owners Manual states you should not plug in anything that draws more than 20 amps. I don't know how much my laptop draws so I was wondering if anyone has any experience with this.
Thanks.
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12-15-2007, 06:46 PM
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Hummer Professional
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Join Date: Jun 2007
Location: SoCal
Posts: 456
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Re: Laptops and power outlets
Quote:
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Originally Posted by surf twang
Has anyone used a laptop with the dash power outlets? The Owners Manual states you should not plug in anything that draws more than 20 amps. I don't know how much my laptop draws so I was wondering if anyone has any experience with this.
Thanks.
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laptops won't draw more then a few amps, I wouldn't worry about that
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2007 Black H3, 33" BFG Mud Terrains
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12-15-2007, 06:54 PM
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Hummer Veteran
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Join Date: Nov 2006
Posts: 57
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Re: Laptops and power outlets
Thanks for the info.
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12-16-2007, 04:40 PM
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Hummer Authority
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Join Date: May 2006
Location: South Western PA
Posts: 1,433
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Re: Laptops and power outlets
Just look on the power adapter of your laptop, it will tell you how many amps it draws. I use a Dell XPS M1710 and it only draws 2.5 amps on the power adapter. You should be fine.
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12-16-2007, 06:18 PM
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Hummer Guru
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Join Date: Dec 2005
Location: In a FREE U.S.A. where Marxism, Socialism & Communism is not allowed !
Posts: 5,485
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Re: Laptops and power outlets
if you have a laptop that drawers 20amps then you have one big ass computer...
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12-17-2007, 12:08 AM
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Hummer Authority
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Join Date: Oct 2005
Location: Atlantic City NJ
Posts: 1,453
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Re: Laptops and power outlets
Quote:
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Originally Posted by RubHer Yellow Ducky
if you have a laptop that drawers 20amps then you have one big ass computer...
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12-17-2007, 12:14 AM
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Hummer Guru
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Join Date: Sep 2007
Location: In my prime....
Posts: 2,549
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Re: Laptops and power outlets
Quote:
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Originally Posted by Viet Nam Vette
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WTF? You got one of the portable prototypes still?
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12-17-2007, 11:27 PM
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Hummer Veteran
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Join Date: Mar 2006
Posts: 148
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Re: Laptops and power outlets
i was sad to see that the h3 does not have an AC outlet, being an elite SUV, that would be a welcomed addition.
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12-17-2007, 11:43 PM
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Hummer Authority
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Join Date: May 2005
Location: Redmond, WA
Posts: 1,423
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Re: Laptops and power outlets
amps is easy to figure out. just figure out how many watts something pulls. lets say you had 20 watts being pulled. Your car is a 12 volt system, so 20w divided by 12v=1.6amps most laptops dont pull more than that. some laptop chargers are like 95 watts, and that is still only 7.9 amps
basically you are going to need an inverter to run your laptop anyways right? so just get like a 100-400w inverter and make sure is has a 15 or 20 amp fuse on it and you are good to go. fuse blows b4 doing any damage to your system. not a big deal because the power outlets are fused with a 20 amp fuse under the hood anyways. if they stop working just replace the fuse.
Ill be here all week 
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Last edited by wannabeH3 : 12-17-2007 at 11:46 PM.
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12-17-2007, 11:50 PM
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Hummer Novice
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Join Date: Nov 2007
Posts: 22
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Re: Laptops and power outlets
Have a look a the laptop's power supply. A lot have it written right on them.
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12-18-2007, 08:57 PM
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Hummer Veteran
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Join Date: Nov 2006
Posts: 57
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Re: Laptops and power outlets
It says 1.6A on the power supply. We had to order an adapter for the laptop to be able to plug it into the power outlet. We're hoping it arrives before we head out for Albuquerque.
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12-19-2007, 10:54 PM
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Hummer Guru
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Join Date: Jul 2006
Location: Stouts Creek
Posts: 4,192
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Re: Laptops and power outlets
1.6 sounds right! That would be on the high end. You will never hit 2amps with a laptop. Unless it has a icemaker 
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