Mini 10W Car / Auto DC Charger designed for the TomTom Go 920 920T with Gomadic Brand Power Sleep technology - Designed to last with TipExchange Technology 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. 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 TomTom Go 920 920T) included with additional tips sold separately) Intelligent circuit provides precise output voltage and resistor configuration specific to the TomTom Go 920 920T. This ensures battery is safely and efficiently charged without affecting battery longevity. Uses latest state of the art advancements in charging and surge suppression technologies to deliver a unique product in an unbelievably micro-sized form factor. 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.