Amazon: Duracell 20 Pack Batteries $5.94 Shipped November 27, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Amazon has the 20 packs of Duracell Coppertop AA batteries on sale for $6.99. Choose the Subscribe & Save option to save an additional 15% + get FREE shipping, making this only $5.94 shipped! Once your order ships, go to ‘Your Account’ and click ‘Manage Subscribe & Save’ to cancel future orders.