SmartDisk ACG4 AC Adapter for Apple PowerBook G4 Titanium and Dual-USB iBook Replacement or spare AC/DC power adapter for Apple PowerBook G4 Titanium and dual-USB iBook Will recharge your computer's lithium-ion battery while the system is off, on, or in sleep mode Powers your computer when you're working without a battery Dual-voltage (AC 100 to 240 volts) capability and 2-prong connector let you use it overseas Also works with the SmartDisk VST PowerBook G4 battery charger