Unique Gomadic Car and Wall AC/DC Charger designed for the TomTom START 45 45M 45TM 55 55M 55TM &ndash; Two Critical Functions, One Great Charger (includes Gomadic TipExchange) Intelligent circuit tailors precise output voltage (including resistor configuration) specific to the TomTom START 45 45M 45TM 55 55M 55TM. This ensures battery is safely and efficiently charged. Broad input voltage range of 12-24VDC and 100-240VAC respectively. Permits charging via vehicle and home outlets worldwide! State of the art, advanced circuitry prevents the TomTom START 45 45M 45TM 55 55M 55TM from being damaged by power surges, overcharging and/or short-circuiting. Provides a unique combination of both a Rapid Car Charger and a Rapid Wall Charger in one light and compact design A best-selling product from Gomadic Corp, one of the leaders in consumer electronic charging accessories.