Gomadic High Output Home Wall AC Charger designed for the Magellan Roadmate Pro 9165T with Power Sleep technology - Intelligently designed with Gomadic TipExchange Advanced state-of-the-art internal circuitry protects the Magellan Roadmate Pro 9165T from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. 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 Magellan Roadmate Pro 9165T (accurate to 0.1v!) 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 Magellan Roadmate Pro 9165T). A quality product intended to be the last home/travel charger you ever buy! This product is backed by the Gomadic Lifetime Warranty. Uniquely engineered in a small, lightweight, and highly portable design, the Gomadic Magellan Roadmate Pro 9165T Wall Charger travels easily, saving both space and time.