GTMax Home Travel Charger for Garmin nuvi 550 / nuvi 500 / nuvi 270 / nuvi 265WT / nuvi 265T / nuvi 260W / nuvi 260 / nuvi 255W / nuvi 255 / nuvi 250W / nuvi 250 / nuvi 205W / nuvi 205 / nuvi 200W / nuvi 200 Vehicle Lighter Adapter (12~24v DC) Smart IC chip recognizes a fully charged battery and automatically switches to a saver mode GPS can be used during charging.Short circuit protection. NOTE:When using this charger for GPS device, GPS device might restart with computer mode; after less than 10 seconds of synchronization, GPS will start with GPS mode with charging from the charger LED charging indication Plug never heats or overcharges the battery