Car Charger Adapter Premium Quality 12 Volt Socket Black Compatible Garmin GPS Nuvi 1390T Brand New IC Chip Controlled Plug in Car Charger State of the art Intelligent Chip circuit prevents overcharging Conveniently charge your Garmin GPS Nuvi 1390T battery while your drive Non interrupted charging, even while the Garmin GPS Nuvi 1390T is in use Essential accessory in case of car accident or another emergency