Amazon cuts the price of 8 Packs of Energizer Lithium AA Batteries from $24.99 to $14.25. When you 'Subscribe & Save' your price drops to $12.11 with free shipping. At checkout enter code EGIZERII, which cuts it to $9.97, the lowest price we could find by $14. These batteries last up to 8x longer than regular batteries and have a 17 year storage life. Note that after you receive your order you can cancel your subscription easily to avoid getting more shipments. Sales tax is only charged in KS, KY, ND, NY, and WA.