As one of its daily deals, Best Buy offers the Energizer Eco Advanced Alkaline AA Battery 12-Pack, model no. XR91BP-12, for $5.99. Choose in-store pickup to dodge the $5.49 shipping fee. That's the lowest price we could find by $3.

Also available is the Energizer Eco Advanced Alkaline AA Battery 6-Pack, model no. XR91BP-6, for $3.49. Choose in-store pickup to dodge the $5.49 shipping fee. That's the lowest price we could find by $3. Both deals end today.