Manufactured specifically for professional & industrial applications, these batteries are among the most dependable, long lasting alkaline power cells available. value priced bulk quantities equate to substantial savings. Secure seal corrosion resistance protects valuable, sensitive equipment. Date coding simplifies tracking. Duracell Procell Alkaline D Batteries 10/ Box: Alkaline batteries manufactured & packaged specifically for use in professional, industrial environments High quality value priced bulk quantities Secure seal corrosion resistance Date coded Same high quality as Duracell Coppertop General purpose