Garmin nüvi Vehicle Power Cable
Amazon.com
With the Garmin 010-10723-06 Cigarette Lighter for the Nuvi 300/350/310/360 you can save your battery. Just plug it into any standard cigarette lighter receptacle to power or recharge the internal battery of your Garmin Nuvi 300, 350, 310 and 360.
Garmin 12-Volt Adapter Cable for Replacement