AbleGrid AC / DC Adapter for Garmin StreetPilot C320 C310 C330 C340 St – Ablegrid.com
Amazon.com: Accessory USA AC DC Adapter for Garmin StreetPilot C320 C310 C330 C340 Street Pilot GPS Cradle Power Supply Cable Cord (Note: This AC Adapter Plugs in Garmin GPS Cradle, NOT USB