Here is a super Amazon deal for you! Right now these Energizer Max AA Batteries 24-pack are on sale for $15.66 (reg. $21.98), plus you can save 5% when you subscribe and there is a $3 coupon on the item page. That makes the final price just $11.88 ($0.49/battery)
Energizer Max AA Batteries 24-pack – only $11.88 ($0.49/battery) with sale, subscription and coupon (reg. $21.98)