Amazon Batteries Sale February 10, 2012 by Batteries are on sale at Amazon. Â Be sure to click clip coupon below the stock information. Â Note: You can only use the coupon on 1 item. Duracell 20 pk AAA Batteries for $6.87 with subscribe & save and Coupon. Duracell 20 pk of AA Batteries for $7.74 with subscribe & save and Coupon.