Has anyone tried a Macbook 65W PSU on a MBP instead of the 85W one?

Discussion in 'MacBook Pro' started by Radioman, Nov 30, 2006.

  1. Radioman macrumors regular

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    UK
    #1
    Will this run it ok in an emergency? I assume it won't damage either device, right?
     
  2. mad jew Moderator emeritus

    mad jew

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    Apr 3, 2004
    Location:
    Adelaide, Australia
    #2
    If you're talking about the adaptor, then yeah, it should be fine in an emergency but try not to do it too often. It won't give the machine enough power to both charge and be used, so if you're doing something intensive then it'll start sapping the battery as well as taking juice from the wall. Of course, if your machine blows up then blame Canada.
     
  3. The Stig macrumors 6502a

    The Stig

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    On the track
    #3
    WTF?
     
  4. gr8tfly macrumors 603

    gr8tfly

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    #5
    :) thanks, now I have the song going through my head.

    Sorry for the off topic... ;)
     
  5. Radioman thread starter macrumors regular

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    Oct 3, 2006
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    UK
    #6
    Yes I was, PSU is a mainly European term (power supply unit) Thanks for the info anyway :)

    I blame Canada for most things anyway :p
     
  6. Transeau macrumors 6502a

    Transeau

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    Jan 18, 2005
    Location:
    Alta Loma, CA
    #7
    I keep my MB's power supply in my bag. I don't need the extra weight.
    It will work fine on the MBP, but it's not going to charge while powered on. Also it will get hotter than normal, as it will be running at full output.

    MJ... THANKS! <freaking "Blame Canada! Blame Canada!" in my head too!>
     
  7. jeremy.king macrumors 603

    jeremy.king

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    Fuquay Varina, NC
    #8
    Why does everyone keep saying this? It's simply not true, or I am the only person who can use and charge (at the same time) my MBP with a MB power supply.
     
  8. Transeau macrumors 6502a

    Transeau

    Joined:
    Jan 18, 2005
    Location:
    Alta Loma, CA
    #9
    I suppose it depends on the model then. Using my MBP with the MB power supply, the current charge never goes up. Maybe a difference in drain?
     
  9. mad jew Moderator emeritus

    mad jew

    Joined:
    Apr 3, 2004
    Location:
    Adelaide, Australia
    #10

    In most cases, you're right. The MacBook adaptor will charge the MacBook Pro, even when the MacBook Pro is being used. However, if you're doing something power intensive on the MacBook Pro, the computer will take the power it can from the adaptor as well as some from the battery, meaning the battery capacity will decrease. This is only if you're doing something that needs a lot of power though.
     
  10. Apple Corps macrumors 68020

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    Apr 26, 2003
    Location:
    California
    #11
    Ditto your comments - ALL of my Mac laptops can be used heavily while charging up the battery.
     

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