Accessories are the spice of life, well, at least for your GPS receiver! Before you begin using your GPS device, there are some minimum GPS accessories you just can't go without! For starters, these include mounts, cables, and batteries.
When shopping, you can look for brand-specific (Garmin, Magellan, etc.) accessories for your unit, or universal accessories. As long as it fits your manufacturer and model number, you should be fine.
Browse the following articles for more information on how you can select the best accessories for your GPS device.
Also see GPS Accessories By Manufacturer.