Product DescriptionVST Technologies Inc., is a company specializing in the design of portable peripherals for laptop and desktop computers. The VST product line includes FireWire Hard Drives, USB Floppy Drives, expansion bay storage devices, such as the Zip100 drive for select IBM, Fujitsu and Apple laptops, SuperDisk drives for select Apple and IBM laptops, as well as hard drives, power adapters, chargers and batteries for the Macintosh PowerBook series.Enjoy the convenience of a VST Battery Charger, an Apple Li-Ion Battery and an Apple AC Adapter all in one economical package with VST's Ultimate Mobility Bundle for the PowerBook 3400. Keep extra batteries charged with the VST Battery Charger to provide fast, safe accurate charging of two batteries with on-board LEDs that indicate charge, battery error and charge completion.