DailySale offers the Aluratek Plugless USB Charging Station, model no. AUCS01F, for $7 with free shipping. That's the lowest total price we could find by $3. It features one surge-protected USB outlet that rotates 270 degrees and daisy chains with other plugs. It charges all brands of smartphones, MP3 players, and tablets.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.