power adapters interchangeable (between latest 17" mbp and ~3-4 yrs old 17" mbp?)

Discussion in 'MacBook Pro' started by marvin*1*2, Dec 14, 2010.

  1. marvin*1*2 macrumors member

    marvin*1*2

    Joined:
    Jun 19, 2007
    Location:
    Yrp!
    #1
    are power adapters interchangeable between latest 17" mbp and ~3-4 yrs old 17" mbp?
    what are the rules when exchanging power adapters, anyway?
    between different generations and different models (ie. also mb <> mbp)
    thank you for your help!
     
  2. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
  3. marvin*1*2 thread starter macrumors member

    marvin*1*2

    Joined:
    Jun 19, 2007
    Location:
    Yrp!
    #4
    as simple as that? 100%?
    that link kinda explains it all... but it seems that using a smaller than provided adapter does not provide enough power for normal operations?
     
  4. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #5
    Yep.

    Right, but the original 17" MBPs came with an 85W adapter anyway.
     

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