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  1. #1

    Member Since
    May 23, 2009
    Car Power Inverter for Macbook?
    I'm going away on a trip soon, and want to be able to charge a macbook but won't have access to any power supply except for the cigarette lighter in my car. Apparently I need a power inverter to plug a macbook into the cigarette lighter.

    I went on the apple website, and they had a power inverter, but it cost more than I wanted to spend on a power inverter. So instead, I went to a local auto zone, and bought a power inverter from there for less than half the price.

    It's made by Schumacher, and it's a 70 watt power inverter. The front of the package says "Converts 12V DC car power to 110-120V AC home power". Here's a link to the inverter on amazon, Schumacher PI-70 70 Watt Power Inverter: Automotive

    Here are the specs:
    10 Minute Continuous Output - 70W
    Continuous Power Output- 60W
    Surge Capacity (0.1 second) - 150W
    Full Load Input Current- 8a
    Optimum Efficiency- 85%
    No Current Load Draw- <0.2A
    Output Frequency- 60Hz+/-2Hz
    Output Wave Form - Modified Sine Wave
    Output Voltage Range- 115V+/-5V AC
    Input Voltage- 12V DC
    AC Receptacle- NEMA 5-15 USA

    The package says it's meant for laptops, but I've been looking online and have read that the wrong inverter could screw up the macbook. Does this inverter sound like it will do the trick? Do I need an inverter higher than 70 Watts? What should the specs be on the inverter I use?

    Thanks for all your help

  2. #2

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Lake Mary, Florida
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    NOTE: Thread moved to appropriate forum. Not just anything goes in Anything Goes
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

  3. #3

    Member Since
    Jan 24, 2009
    2.8Ghz MBP
    I'd say go down to Radioshack and pick up a 150 watt power inverter for like $40. I'm pretty sure the Macbooks need 65 watts and the Pro's need 85 watts.

  4. #4

    Collin Bl's Avatar
    Member Since
    Apr 07, 2009
    Napier NZ
    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    Seems like these guys think the same.

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