DURAGADGET Replacement Car Charger for Garmin n&uuml;vi 2797 LMT, Garmin n&uuml;vi 2798 LMT-D, Garmin n&uuml;vi 2797LMT Charge in car through cigarette lighter adapter, Output: DC 5 volt up to 1000mA LED Indicator shows charging status device Charge and use your device at the same time Will not overcharge your device (reverse circuit protection) Input: DC 12V~24V FOR CARS AND LORRIES