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Laptop DC to AC Power Inverter

post #1 of 10
Thread Starter 
Hey everyone, I'm going to be on the road and in the air a lot this summer, I will most likely fly with seats with DC and I was wondering what is a good DC to AC power inverter, the last thing that I want is to break my laptop...
I found this on Newegg, any recommendations?
http://www.newegg.com/Product/Produc...82E16882739011
    
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post #2 of 10
Pretty much any one is fine, just make sure that it's rated for more power (Watts) than your laptop's A/C adapter.
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post #3 of 10
Thread Starter 
Can I deduct the watts required with the output voltage and amperage?
    
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post #4 of 10
Yes, as long as its the amperage for the input (110V), not output (14V or whatever).
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post #5 of 10
You need input voltage and amperage to account for losses due to efficiency.

edit- I got beat . For example my laptop charger says: Input 120V ~1.6A so I would need an Inverter rated at ~200W since 120 x 1.6 = 192.
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post #6 of 10
That should do just fine--a notebook shouldn't be drawing that much power anyway (I HOPE!!!). Things you might want to keep in mind:

(1) make sure it's adequately cooled--I had a passively cooled inverter (I think it was 200W), and it crapped out, I'm guessing due to overheating 'cause it did get damn hot when I used it!

(2) it might be relatively loud with active cooling--not sure if that matters to you but it might matter to whomever is sitting next to you.
    
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post #7 of 10
Thread Starter 
Ok mine as 2.0a rating, which means that I need a 120*2= 240W.
    
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post #8 of 10
Quote:
Originally Posted by Emmanuel View Post
Ok mine as 2.0a rating, which means that I need a 120*2= 240W required, but if I go to Europe, which uses 240v, how does it work in this case, am I going to require a 240*2= 480W inverter?
No, you will still only need 240W. Remember, the inverter will give you the same voltage no matter what country you are in


Plus, IF you plugged in your adapter into a 220V socket, it would still only use 240W. The current would actually drop from 2A to 1A.
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post #9 of 10
Thread Starter 
Ya I edited realizing how stupid my post was lol.
    
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post #10 of 10
Quote:
Originally Posted by guyladouche View Post
That should do just fine--a notebook shouldn't be drawing that much power anyway (I HOPE!!!). Things you might want to keep in mind:

(1) make sure it's adequately cooled--I had a passively cooled inverter (I think it was 200W), and it crapped out, I'm guessing due to overheating 'cause it did get damn hot when I used it!

(2) it might be relatively loud with active cooling--not sure if that matters to you but it might matter to whomever is sitting next to you.
You've got a good point. I think you are going to have a hard time finding one that can do ~250W peak and be passive. I bought 400W cheapo one to use on road trips and such and it's got a small fan. But it's hardly noticeable especially with road noise. I think on a plane with all of the background wind noise you won't even notice it.
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