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wrecker in mn
Contributing Member
Joined: 21 Aug 2005
Posts: 824
Location: Minnesota, Minneapolis
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 Posted: Wed 25-Jan-2006 03:34 Post subject: How do you power your laptop in your vehicle |
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| I am still debating on a 12v supply instead of the inverter i am using. Just curious how you do it, a laptop is something i dont want to \"test.\" |
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Mick (firewolf)
Contributing Member
Joined: 27 Aug 2005
Posts: 3717
Location: Grand Rapids area, Michigan, US of A
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| Posted: Wed 25-Jan-2006 05:34 Post subject: |
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| Mine is new (Christmas,) so I've only done it a couple times, but I bought a cig plug inverter at Meijer for $25 and just plug my existing power supply into that. Once I get a stand for the computer so it's easier to use in the car, I will use it more often, and may decide to try something different, but so far that has worked pretty well for me. |
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nmfire10
Banned user
Joined: 27 Aug 2005
Posts: 492
Location: Derkaderkistan
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| Posted: Wed 25-Jan-2006 07:39 Post subject: |
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| I have an inverter mounted behind my seat for anything I might need AC power for. It isn't big but it is enough for a laptop and other small items. |
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tvsjr
Banned user
Joined: 27 Aug 2005
Posts: 1501
Location: DFW
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| Posted: Wed 25-Jan-2006 10:29 Post subject: |
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Lund Industries DC-DC convertor, designed for your specific model of laptop. It's more efficient and generates less hash than an inverter.
Remember, if you use an inverter, you're going 12VDC => 120VAC => ~19VDC. It's a lot better to go straight from 12VDC=>~19VDC.
I also have a 600-watt pure-sine-wave inverter on board should I require AC power, but it doesn't get used very often. |
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Mike F
Contributing Member
Joined: 19 Aug 2005
Posts: 1010
Location: Buffalo Grove, IL
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| Posted: Wed 25-Jan-2006 23:34 Post subject: |
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My Dell power supply has an interchangable plug. I can either plug it into the wall, or switch the end and plug it into a 12V outlet or airline seat.
Mike F |
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Pj
Turbo Poster
Joined: 18 Aug 2005
Posts: 2371
Location: Federal Plaza, Manhattan, New York County, NY, USA, Earth
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| Posted: Thu 26-Jan-2006 02:48 Post subject: |
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For laptops, you want a true laptop specific DC-DC plug. Lund or OEM.
Many \"inverters\" are not power supply friendly and will burn them up at some point. When the P/S goes, there is a good chance that it will take the laptop (or whatever) with it. |
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Jarred J.
Frequent Poster
Joined: 18 Aug 2005
Posts: 1464
Location: Shelbyville, TN
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| Posted: Thu 26-Jan-2006 03:47 Post subject: |
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use the laptop maufacturer's supplied adaptor.
I guess not all laptops come with both ac - dc and dc- dc adaptors? 
Call the manufacturer of your laptop and see what they recommend as well. |
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tvsjr
Banned user
Joined: 27 Aug 2005
Posts: 1501
Location: DFW
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| Posted: Thu 26-Jan-2006 08:25 Post subject: Re: |
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[quote:fefd636861=\"Pj\"]For laptops, you want a true laptop specific DC-DC plug. Lund or OEM.
Many \"inverters\" are not power supply friendly and will burn them up at some point. When the P/S goes, there is a good chance that it will take the laptop (or whatever) with it. |
Yep... that's why the inverter in the Beast is a pure-sine model. Prevents that problem, but they aren't cheap. |
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