361-00038-01 Battery,JIE Battery Replacement for Garmin Nuvi 500, Zumo 600, Zumo 650, Zumo 660, Nuvi 510 GPS Units - Newegg.com
Classic Straight USB Cable suitable for the Garmin Nuvi 660 with Power Hot Sync and Charge Capabilities - Uses Gomadic TipExchange Technology - Walmart.com
Battery Replacement Kit for Garmin Nuvi 660 with Installation Video, Tools, a... 816531011473 | eBay