Unique Gomadic Car and Wall AC/DC Charger designed for the Kobo eReader Touch &ndash; Two Critical Functions, One Great Charger (includes Gomadic TipExchange) State of the art, advanced circuitry prevents the Kobo eReader Touch from being damaged by power surges, overcharging and/or short-circuiting. Intelligent circuit tailors precise output voltage (including resistor configuration) specific to the Kobo eReader Touch. 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! When used in vehicle charging mode, high quality capacitors and circuit components ensure that charging current will not interfere with FM radio reception. Non-coiled, straight cable design allows for easy routing around your vehicle trim for a more professionally installed look. Durable construction is built to last.