Originally Posted by mammut
I was looking for a extender charger for my 305 as well but decided the homemade route while a fun project, didn't make sense when there were finished products for less. I picked up one of the Energizer Energi To Go mini-usb chargers off ebay.
http://cgi.ebay.com/Mini-USB-Cell-Ph...QQcmdZViewItem
Thanks for the link. I was just up at Home Depot and they have tons of these for $19.99, but I couldn't find one with a USB mini prong. I really don't understand why Garmin doesn't come out with one of these specifically designed for use with their product.