Gomadic Intelligent Compact AC Home Wall Charger suitable for the Garmin Nuvi 780 - High output power with a convenient, foldable plug design - Uses TipExchange Technology Power Sleep"" feature reduces vampire power draw 99%. Charger will consume less than 0.1W of power when in ""dormant state"" (e.g. not connected to the Garmin Nuvi 780). Gomadic Powerful High Wattage wall charger for home or travel use. Customized circuit design is based on the latest in power regulation and is tailored to the precise output voltage and resistor ID requirements of the Garmin Nuvi 780 (accurate to 0.1v!) Advanced state-of-the-art internal circuitry protects the Garmin Nuvi 780 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. A quality product intended to be the last home/travel charger you ever buy! This product is backed by the Gomadic Lifetime Warranty. TipExchange Technology protects your investment, by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Garmin Nuvi 780) included with additional tips sold separately)