Advanced Rapid Wall AC Charger Compatible with Golf Buddy Voice 2 - Amazingly powerful home charge design built with Gomadic Brand 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 Golf Buddy Voice 2). 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 Voice 2 (accurate to 0.1v!) Advanced state-of-the-art internal circuitry protects the Golf Buddy Voice 2 from power surges, overcharging, and short-circuiting, to significantly extend the internal battery lifecycle. Specification: Input Voltage (100 - 240vAC), Cable length (50 inches), Transformer Dimensions (2.0 X 1.75 inches), Foldable Adapter (Yes), Circuit Design (Golf Buddy Voice 2 Specific) Foldable wall outlet plug makes for a very compact, portable design. Advancements in power circuit miniaturization now gives you an amazingly powerful charger for its size.