Gomadic Double Wall AC Home Charger suitable for the SkyGolf SkyCaddie SGX - Charge up to 2 devices at the same time with TipExchange Technology Custom designed advanced circuit provides precision output voltage and current regulation specific to the SkyGolf SkyCaddie SGX (accurate to 0.1v). The additional charging port is available for simultaneous charging of a secondary device. Gomadic TipExchange Technology protects your investment by providing a means to change or upgrade your charger by simply swapping the physical charging tip. SkyGolf SkyCaddie SGX specific tip as well as standard microUSB and Female USB tips are included. Additional tips sold separately. A full 10W of available charging current (e.g. 2,000mAh) is available for rapid charging. Considerably higher available current compared to standard SkyGolf SkyCaddie SGX wall chargers. Charger supports wide range of input voltages (100 - 240v AC / 50 - 60 Hz ) to provide compatibility with worldwide power grids Integrated fail-safe internal circuitry provides comprehensive protection of all attached devices from power surges, overcharging and short-circuiting.