The Compact AC/DC Battery Charger from Watson charges many different batteries using dedicated interchangeable plates, which are required and available separately. The charger runs on 100-240 VAC power, allowing for worldwide use. It features a fold-out 2-prong US plug and is supplied with a European plug adapter, as well as a 12 VDC car charger that plugs into a cigarette lighter. This makes it ideal for use both at home and on the road. The Compact AC/DC Charger features a USB power output that allows you to charge and power MP3 players, phones, digital cameras, and other devices with a USB power input - even while charging your camera or camcorder batteries.