Gomadic High Output Home Wall AC Charger designed for the SkyGolf SkyCaddie SGX with Power Sleep technology - Intelligently designed with Gomadic TipExchange Advanced state-of-the-art internal circuitry protects the SkyGolf SkyCaddie SGX 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 SkyGolf SkyCaddie SGX). 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 SkyGolf SkyCaddie SGX (accurate to 0.1v!) Uniquely engineered in a small, lightweight, and highly portable design, the Gomadic SkyGolf SkyCaddie SGX Wall Charger travels easily, saving both space and time. Charger works on power voltage levels worldwide by supporting a wide input range of 100-240v AC / 50-60 Hz.