How to Replace Your Garmin Nuvi 300 Battery - YouTube
Coiled Power Hot Sync USB Cable suitable for the Garmin Nuvi 300 300T with both data and charge features - Uses Gomadic TipExchange Technology
Amazon.com: Ramtech GPS Car Suction Cup Mount and 65mm Diameter Dashboard 3M Adhesive Disk Pad Replacement Mounting Kit, Compatible with Garmin Nuvi 300 310 350 360 370, SCDSK : Electronics
RAM Torque 1 1/2" - 2" Pin-Lock Rail Mount for Garmin nuvi 300 310 350 360 & 370 - Walmart.com
CAR CHARGER FOR GARMIN NUVI 300 310 350 360 360T 370 | eBay