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Car power adapter
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Fresh-Faced Recruit
Join Date: Feb 2007
Location: Wareham, MA
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Is there any way to use a macbook through an adaptor to a cigarette lighter in a vehicle etc.?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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Addicted to MacNN
Join Date: Mar 2006
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BTW this is not specific to the MB, any electrical equipment can be plugged in.
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Junior Member
Join Date: Feb 2007
Location: Right behind you....
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Doesn't the Mag Safe Airline Adapter do that?
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Hey...
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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Originally Posted by Chaoticjoe
Doesn't the Mag Safe Airline Adapter do that?
No. The MagSafe Airline Adapter is not compatible with automobile power ports.
And even if it was, it costs twice as much as an inverter.
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Junior Member
Join Date: Feb 2005
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Originally Posted by peeb
BTW this is not specific to the MB, any electrical equipment can be plugged in.
Not a 1/4 HP mini ShopVac, a hair dryer or a coffee maker. At least with the inverter I have (300 watts.)
But yes, an inverter will power just about any Mac power brick. 80 watts (or is it 85?) for a MBP, 60 watts for a MB. Well within the capacities of the cheaper inverters.
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Addicted to MacNN
Join Date: Mar 2006
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Well, I had that coming I suppose...
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Junior Member
Join Date: Feb 2007
Status:
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so do you have to buy a 65 watt one?
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Professional Poster
Join Date: Nov 2004
Location: eating kernel
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Originally Posted by Chaoticjoe
Doesn't the Mag Safe Airline Adapter do that?
Well look at the name.... Mag Safe AIRLINE Adapter
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Signature depreciated.
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
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Originally Posted by Bob Marley
so do you have to buy a 65 watt one?
65 watt what?
You want to oversize the inverter compared to the computer's power adapter because 1) consumer electronics always overstate power abilities and 2) DC-AC conversion isn't 100% efficient.
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Addicted to MacNN
Join Date: Mar 2006
Status:
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You want an inverter that has a capacity higher than the thing(s) that you want to run on it.
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