Advanced Rapid Wall AC Charger Compatible with Creative Zen X-Fi - Amazingly powerful home charge design built with Gomadic Brand TipExchange Gomadic Powerful High Wattage wall charger for home or travel use. Customized circuit design is based on the latest in power regulation and is tailored to the precise output voltage and resistor ID requirements of the Creative Zen X-Fi (accurate to 0.1v!) Advanced state-of-the-art internal circuitry protects the Creative Zen X-Fi from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Power Sleep"" feature reduces vampire power draw 99%. Charger will consume less than 0.1W of power when in ""dormant state"" (e.g. not connected to the Creative Zen X-Fi). TipExchange Technology protects your investment, by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Creative Zen X-Fi) included with additional tips sold separately) Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz.