This Gilsson 110-220 AC Wall Charger Adapter is specifically designed to power and charge Garmin"s Nuvi 600 610 650 660 670 680 710 750 755T 760 765T 770 775T 780 785T 850 860 880 StreetPilot c510 c530 c550 c580 and Zumo 400 450 500 and 550. It utilizes the special 18-pin Garmin connector to connect directly to the GPS or Garmin GPS Cradle, depending on the location of the connector socket. It is guaranteed to work with the above Garmin GPS Navigators. Comparable to comparable to Garmin 010-11107-00 AC Wall Charger with 18-pin connector.