Gomadic High Output Home Wall AC Charger designed for the Samsung Smooth SCH-U350 with Power Sleep technology - Intelligently designed with Gomadic TipExchange 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 Samsung Smooth SCH-U350). Advanced state-of-the-art internal circuitry protects the Samsung Smooth SCH-U350 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. 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 Samsung Smooth SCH-U350 (accurate to 0.1v!) Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz. TipExchange Technology protects your investment, by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Samsung Smooth SCH-U350) included with additional tips sold separately)