Etekcity via Amazon offers its Etekcity Dual USB High-Output Wall Outlet Charger for $14.95. Coupon code "ETEKANON" cuts it to $9.95. Plus, Amazon Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.98.) That's the lowest total price we could find by $3. It features dual USB charge ports (5V/2.1A max), LED charge indicator, and foldable AC prongs.