Walgreens: Duracell Battery Deal

Mummy Deals just posted about this great deal on Duracell Batteries at Walgreens:

Duracell Batteries, 16+4 bonus AA or AAA
$8.99 (On Sale - normally $12.99)
- 3.00 (Coupon attached to package)
= $5.99 each after sale and coupon!