Gomadic Intelligent Compact Car / Auto DC Charger suitable for the Magellan Roadmate 1440 - 2A / 10W power at half the size. Uses Gomadic TipExchange Technology Gomadic TipExchange Technology protects your investment by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Magellan Roadmate 1440) included with additional tips sold separately) Charger provides a full 10W (2,000mAh) of available current in a small form factor a little over 1 inch long. Flexible, straight cable measure 50 inches in total length. Intelligent circuit provides precise output voltage and resistor configuration specific to the Magellan Roadmate 1440. This ensures battery is safely and efficiently charged without affecting battery longevity. Generous input voltage range of 12-24VDC, supports a wide variety of DC charging ports from cars and trucks (both foreign and domestic) to boats, planes and RVs. Straight, non-coiled cable design allows for easy routing of your charger around vehicle trim for a more professionally installed look. Durable construction is built to last.