Today only, until 9 am ET (or 100% claimed), Amazon offers Prime members the Duracell AA or AAA Coppertop Duralock Battery 34-Pack for $11.99 with free shipping via the directions below. (Non-members can get free shipping with orders of $25 or more; otherwise, shipping starts at $5.74.) That's $0.35/battery and $15 below the lowest total price we could find for a similar quantity of Duracell AA Duralock batteries elsewhere. To get this deal:

1. View the Duracell Coppertop Duralock Batteries
2. clip the $2 off coupon (below the price)
3. click "View Lightning Deal" and add the Duracell Battery 34-Pack to your cart for $13.99
4. at checkout the price drops to $11.99