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AC plugs won't power laptop

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Old 06-19-2017, 07:56 AM
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AC plugs won't power laptop

Just wondering if anyone else has tried to power a laptop off either AC outlet? I can charge a cell phone off of them, but that's it so far. What gives?
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Old 06-19-2017, 08:01 AM
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Might as well not have them as far as im concerned, i havent been able to power more than a phone charger, no drill batteries, no laptop nothing
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Old 06-19-2017, 08:05 AM
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Exclamation

I suspect the inverter's AC output is a "modified square wave" (MSW) rather than a true (or pure) sine wave like you get from AC wall outlets at home of from a high-quality TSW inverter. Some chargers (and other devices) aren't really compatible with MSW.

Check the laptop charger instructions and/or labeling, and try another "simple" load, such as a regular ol' 75W light bulb.

HTH,
Jim / crewzer
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Old 06-19-2017, 08:29 AM
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Quote:
Originally Posted by SDcrewzer View Post
I suspect the inverter's AC output is a "modified square wave" (MSW) rather than a true (or pure) sine wave...
I believe you are correct. I read this somewhere else when I was having the same issue with my (now sold) '15 F350.

Tim
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Old 06-19-2017, 09:47 AM
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I run my work lap top on mine all the time (Older HP Elite Book). I have a new one coming. If I have issues there I will report back if there is some compatibility issue with the new charger.
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Old 06-19-2017, 09:54 AM
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Originally Posted by SDcrewzer View Post
I suspect the inverter's AC output is a "modified square wave" (MSW) rather than a true (or pure) sine wave like you get from AC wall outlets at home of from a high-quality TSW inverter. Some chargers (and other devices) aren't really compatible with MSW.

Check the laptop charger instructions and/or labeling, and try another "simple" load, such as a regular ol' 75W light bulb.

HTH,
Jim / crewzer
This sounds plausible. I came to the conclusion it doesn't play well with smart chargers.
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Old 06-19-2017, 10:07 AM
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I pulled the UPS out of my office and tried to run it on the 120v AC in my F-350. No joy. So far, the ability to run only certain things isn't a huge problem. But if I find I need that power then I'll look into changing the inverter.
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Old 06-19-2017, 10:12 AM
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I pulled the UPS out of my office and tried to run it on the 120v AC in my F-350. No joy. So far, the ability to run only certain things isn't a huge problem. But if I find I need that power then I'll look into changing the inverter.
The 360* camera system uses the inverter. I can't imagine why it wouldn't work with a better inverter, but stranger things have happened....
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Old 06-19-2017, 11:50 AM
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I haven't had any issues charging camera or quadcopter batteries, or laptops. I want to put a meter on it now, though.
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Old 06-19-2017, 12:29 PM
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manowell, what quadcopter do you have? My AC plugs won't charge my DJI Phantom batteries at all.
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Old 06-19-2017, 02:32 PM
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Ford has the most powerful inverter currently available, at 400W. So if it doesn't work, a RAM or GM won't work either.
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Old 06-19-2017, 02:55 PM
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everyone understands the outlets only work when the truck is running correct?

I have no problem using, and charging my MacBook pro's (85w) using the AC outlets.
Laptop chargers consume less than 100w these days...and they do NOT need a purse sine wave inverter.

laptops (and even flat screen TV's) have their own internal/charger power supplies which condition the power....modified sine wave inverters work fine.
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Old 06-19-2017, 02:56 PM
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Mine wouldn't run my laptop either, I was thinking there was something wrong with my receptacles in the truck but now it just appears to be some sort of crap design.
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Old 06-19-2017, 03:24 PM
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Originally Posted by troverman View Post
Ford has the most powerful inverter currently available, at 400W. So if it doesn't work, a RAM or GM won't work either.
It has to do with the QUALITY of the power, not the QUANTITY. Voltage plays a part too. If the voltage isn't high enough, many things simply won't work.
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Old 06-19-2017, 03:36 PM
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ok for those having issues, have you measured the voltage coming out of the outlet?
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