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Inverter for Laptop

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Old 04-16-2018, 06:20 AM
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Default Inverter for Laptop

Looking for an Inverter I can use on the boat for my laptop. Ideally something I could just plug into the 12v cig plug and be able to use in my truck. I have read some things about pure sine wave vs modified sine wave and it gets a bit confusing. Inverter will only be used occasionally, but most likely kept in my truck for convenience.

Just wanted to see what others are using?
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Old 04-16-2018, 06:43 AM
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I use a laptop in my pilothouse for a nav computer. A cheap 1000w inverter (not pure or modified sine) powers laptop and fridge and other small loads so I don't need to run the gennie all the time. Been running this rig for over ten years and laptop has been fine. Laptop cord thingie converts 120vac to dc (I think 18v???) and it does not seem to be picky.
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Old 04-16-2018, 07:38 AM
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so will this work?
Amazon Amazon

or do I need more watts?
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Old 04-16-2018, 07:39 AM
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Originally Posted by Reel Irie View Post
so will this work? https://www.amazon.com/Foval-Power-I...erters+12+volt

or do I need more watts?
That should work just fine. I used one like it for years and had zero issues. Most laptop power adapters are under 100w anyways.
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Old 04-16-2018, 07:44 AM
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I've had one since 2005 and it works just fine - no need for expensive inverters for normal laptops.
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Old 04-16-2018, 07:51 AM
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Was at Home Depot this weekend and they have them.
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Old 04-16-2018, 07:51 AM
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I am using one right now as I type. A $25 Wal-Mart special. It works great.
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Old 04-16-2018, 09:54 AM
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There are laptop chargers with 12vdc inputs and lighter plugs. Check for laptop car charger on ebay. It might be an easier solution.
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Old 04-16-2018, 12:07 PM
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cig plugs are normally max 15a. Some 10a. That is only 100-150w you will get out of one.

Read the power rating on your laptop plug.
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Old 04-16-2018, 02:20 PM
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bought a $10 120w one at Wally World and it did the job this afternoon .... we'll see how long it last
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Old 04-16-2018, 03:07 PM
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It'll work fine. I've had one for a couple of years that I bought one at harbor freight to use with my laptop and it works fine. Laptops run off the battery and the charger recharges the battery, it doesn't take much power or even the cleanest of power to run one.
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