Energizer Eco Advanced batteries are on sale for $6.49 at Walgreens! Stack a $0.90 printable coupon with a $4.00 Walgreens coupon! Pay just $1.59 for a 6-pack of batteries!
Note: The Walgreens coupon booklet can be found with the weekly ads near the front entrance of the store. The Energizer coupon is on page 10.