INSTEN CAR Charger POWER CORD Compatible with GARMIN NUVI 350 370 550 610 Recharge on the go by harnessing power from your car with a cigarette lighter adapter. Vehicle Lighter Adapter (12~24v DC). Phone can be used during charging. Smart IC chip recognizes a fully charged battery and automatically switches to a saver mode. Plug never heats or overcharges the battery. Short circuit protection. LED charging indication. Can charge Ni-mh and Li-Ion Battery. Best replacement for the original car charger. 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.