Samsung Travel Home Charger for Samsung Epic 4G and Samsung SPH-M570 Restore Samsung micro USB Travel Charger (ATADU10JBE). Small enough to fit in a briefcase when traveling, but is also convenient enough to be used as a secondary charger at home or in the office. Get one for the office, one for your home. Provides power to your phone while simultaneously charging your phone's battery. Intelligent IC chip inside recognizes a full battery and automatically switch to a saver.