Powerbook AC

Discussion in 'Macintosh Computers' started by unispherephoto, Feb 22, 2005.

  1. macrumors member

    unispherephoto

    Joined:
    Oct 11, 2004
    #1
    yesterday my ac adapter for my pb died. i had to immediately get a new one since my batteries were not charged and i needed to be online for many hours anyway.

    the only one available (in my price range) was a 65 watt version, so i got it. i know may old one was a 45 watt and other people had recommended the 45W...im i getting myself in trouble by using the 65W?
     
  2. jsw
    Moderator emeritus

    jsw

    Joined:
    Mar 16, 2004
    Location:
    Andover, MA
    #2
    Well, if you've used it and haven't fried your iBook already, you're fine. The additional wattage will just go unused. Some adapters will fry a system if they push too much amperage, and others will feed it only if needed.

    Still, there's a chance that a regulator on your iBook is now dumping a ton of extra power directly out as heat because the adapter is feeding too much into the box. If your iBook acts the same and isn't suddenly glowing red-hot, you're probably OK.

    If you haven't plugged it in yet, though, I'd be wary. You might be just fine, and you might end up with a nice white paperweight in about a tenth of a second.
     
  3. thread starter macrumors member

    unispherephoto

    Joined:
    Oct 11, 2004
    #3
    powerbook seems fine after a day..no hotter than normal..
    there are differences in the voltage in/out and amperage between my old adapter and the new one though. (according to the labels)
     
  4. macrumors regular

    Joined:
    Jan 26, 2004
    #4
    Apple no longer sell the 45W adapter as a retail item, they expect you to use the 65W.

    I use a 65W adapter on iBook all the time. They are designed to work together.
     

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