Advanced Rapid Wall AC Charger Compatible with Golf Buddy World - Amazingly powerful home charge design built with Gomadic Brand TipExchange Advanced state-of-the-art internal circuitry protects the Golf Buddy World 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 Golf Buddy World (accurate to 0.1v!) 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 Golf Buddy World ). 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 Golf Buddy World ) included with additional tips sold separately)