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  1. #1

    Member Since
    Jul 14, 2009
    Powerbook G4 Power Adapter
    Okay, here's the deal:

    Accidentally ripped the smaller cable out of the power adapter for my 17" Powerbook G4. This was a 65 Watt adapter. I have an extra 60 watt mag safe adapter, so I spliced the smaller wire off the 65 watt adapter, cut the cable off the 60 watt mag safe and spliced it as well, and joined the two. Now I have a 60 watt mag-safe power adapter with a round-end 65 watt power adapter. I plugged it into my 17" powerbook g4, and low and behold the light turned on, and it provided power to the powerbook. It wasn't until a little while longer that I noticed the powerbook battery wouldn't charge, it would just stay at the percentage (if the percent was lower than 99). Simply, I didn't see that the charger was charging the powerbook.

    I guess my question is that, is it possible that the 60 watt mag-safe charger is just charging the laptop much slower? Why is it not charging the laptop? Could there be any damage to the laptop/battery by using a 60 watt power adapter rather than a 65 watt? Thanks

  2. #2

    empty_noise's Avatar
    Member Since
    Feb 10, 2008
    Toronto, Canada
    MacBook (Mid-2007, 10.5.8) + MacBook Pro (Late-2008, 10.9) - See Signature
    The 60W and the 65W power adapters output different voltage so while while I'm not sure if their will be any long term damage from using a lower wattage adapter with your PowerBook, the lower voltage output from the 60W will not be enough to charge the battery.

    Apple has the 65W power adapter for iBook/PowerBooks for $79US:
    Extra Portable Power Adapter - 65W (for iBook & PowerBook) - Apple Store (U.S.)

    65W iBook/PowerBook Power Adapter:
    Input Voltage Range: AC 100V - 240V
    Output Voltage: DC 24V Power
    Output Current: 2.65A

    60W MagSafe Power Adapter:
    Input Voltage Range: AC 100V - 240V
    Output Voltage: DC 16.5V Power
    Output Current: 3.65A

    MB | Mid-2007 | 13-inch | 2.16GHz Core 2 Duo | 2GB DDR2 | 120GB HDD | GMA 950 | White
    MBP | Late-2008 | 15-inch | 2.4GHz Core 2 Duo | 4GB DDR3 | 250GB HDD | 9400M + 9600M GT w/ 256MB GDDR3 | Unibody

  3. #3

    iPod Nano's Avatar
    Member Since
    May 15, 2009
    White MacBook. iLife '09. iWork '09. Mac OS X 10.6
    You can get third-party ones that are perfectly good for much less.
    Chris K.

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