DURAGADGET Car Cigarette Lighter 12/24 Volt Adapter for Garmin Nuvi Including 3790T, 3760T, 2360LT & 1690, 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