Gomadic Multi Port AC Home Wall Charger designed for the Garmin Nuvi 880 - Uses TipExchange to charge up to two devices at once Gomadic TipExchange Technology protects your investment by providing a means to change or upgrade your charger by simply swapping the physical charging tip. Garmin Nuvi 880 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 Garmin Nuvi 880 wall chargers. Custom designed advanced circuit provides precision output voltage and current regulation specific to the Garmin Nuvi 880 (accurate to 0.1v). The additional charging port is available for simultaneous charging of a secondary device. Foldable wall outlet plug makes for a very compact, portable design. Advancements in power circuit miniaturization results in an amazingly powerful charger for its size. One of a kind transformer is compact with foldable wall adapter, small, lightweight and highly portable. Will save space in both travel bag and wall outlets by charging multiple devices with a single transformer.