Amazon has for Select Amazon Accounts: 25% Off AmazonBasics Batteries when you apply promotion code POWER25 at checkout. Shipping is free w/ Prime or on orders $25+ or with the Subscribe & Save option (if available). Thanks tunabreath & benchik1
Note, offer limited to products on the offer page and one per customer. To see if you are eligible for this targeted promotion, sign in to your Amazon Account and apply the promotion code at checkout (product will discount if eligible).
Update: Promotion code POWER15 may stack with this promotion to save you an additional 15%. This may also be a targeted promotion.