Amazon.com: New 65W 24.5V 2.65A Replacement Ac Adapter Laptop Charger Compatible with Apple Powerbook iBookG4, iBook,G4 Series,15.2-inch with Size 7.7mmX2.5mm : Electronics
Battery for APPLE POWERBOOK G4 17 "G4 17-Inch/A1039 A1057 M9326, Li-Ion, 10.8 V: Amazon.co.uk: Computers & Accessories
My PowerBook G4 12" Journal - Full tear down, SSD upgrade and CPU Fan. | MacRumors Forums