From the Manufacturer
Plug the TomTom Car Charger for GO Navigators into the cigarette lighter, and charge the battery on your TomTom GO series navigator while you drive. This power charger supports the 12-24 volts of power from your cigarette lighter, and ensures your navigator never runs out of power when you need it the most. User's should note that this is the same charger that is included with the GO, GO 300/700, GO 510/910, Navigator 5 Bluetooth, and Navigator 5 Wired GPS navigators.
Product Description
TomTom helps people find their way. It uses the very latest technology to do this, building it into all-in-one navigation solutions, handheld computers and smartphones.