What is the difference between these two dell chargers?

Discussion in 'Buying Tips and Advice' started by piatti, Mar 12, 2012.

  1. piatti macrumors 6502a

    piatti

    Joined:
    Jun 9, 2010
    Location:
    USA
    #1
  2. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #2
    One is 20 V, 4.5 A the other is 19 V, 4.75 A. Both are 90 W.
     

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