Amazon has the Castries All-in-one Worldwide Travel Charger for a low $10.99 after Coupon Code: "36FNXQMB" (Exp Soon). Free Shipping on orders over $25, or with Amazon Prime .This normally retails for $20, so you are saving 45% off list price.
170 countries with US/UK/EU/AUS plugs & 4 USB ports
Simultaneous use of the AC power socket &4 USB ports
Recognizes your devices & output the maximum current