Amazon offers the Maxell AA Alkaline Battery 48-Pack, model no. 723443, for $12.88. Add it to your cart via Subscribe & Save and it falls to $10.95 with free shipping. That's $0.23 per battery and the lowest total price we could find for this quantity by $6, although it was slightly less last week (since expired).

Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.