Unique Gomadic Car and Wall AC/DC Charger designed for the Sonocaddie v500 Golf GPS &ndash; Two Critical Functions, One Great Charger (includes Gomadic TipExchange) State of the art, advanced circuitry prevents the Sonocaddie v500 Golf GPS from being damaged by power surges, overcharging and/or short-circuiting. Broad input voltage range of 12-24VDC and 100-240VAC respectively. Permits charging via vehicle and home outlets worldwide! Intelligent circuit tailors precise output voltage (including resistor configuration) specific to the Sonocaddie v500 Golf GPS. This ensures battery is safely and efficiently charged. Power Sleep feature will cut power draw of charger by over 99% when not in use. Charger will draw less than 0.1W of power when in ready state (e.g. not connected). Provides a unique combination of both a Rapid Car Charger and a Rapid Wall Charger in one light and compact design