Designed to appeal to iPod, PDA, and cell phone owners without access to portable chargers, Smarte Carte’s Charge Cartes are now appearing in airports across the United States. Equipped with three white iPod Dock Connector cables and nine additional blue cables that have popular cell phone and PDA plugs at their ends, a Charge Carte offers 30 minutes of rapid recharging time for $3, enabling you to connect your iPod and charge up to half of…