Duracell alkaline d batteries - up to 40% longer life (* long life performance compared to minimum average time in 2015 iec d size portable lighting test. (www.iec.ch) results may vary by device or usage pattern. )duracell d batteries these are all-purpose alkaline batteries ideal for reliably powering everyday devices. duralock technology keeps unused duracell batteries new and charged for up to 10 years when stored under normal conditions. available in sizes aa, aaa, c, d and 9v. swordslife reserves the right to cancel orders over 10 units. more than 10 stocks are available to be sold at the campaign price. the seller determines the selling price of the product you have reviewed. this product is not included in the discount campaign. a product can be sold by more than one seller. sellers of products offered for sale by more than one seller are listed according to the price they set for the product, seller ratings, delivery status, promotions on the products, whether the cargo is free or not, whether the products can be delivered with fast delivery, and the stock and categories of the products. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.