Acdelco 9 Volt Super Alkaline Batteries Are Equipped With Advanced Technology You Can Count On. Acdelco Batteries Perform Better Than The Competition In High-Drain And Super High-Drain Devices, And They Provide Consistent Discharge Performance. Acdelco Alkaline Batteries Are Designed For Long Shelf-Life With Stainless Steel Pre-Coating That Prevents Leakage And Advanced Ingredient Formulation That Helps Maintain Power Over Time. This Pack Includes 24 Nine-Volt Batteries Great For A Variety Of Household Devices, Including Fire Alarms, Intercoms, Walkie-Talkies, And More. The 9V Batteries Contain No Mercury Or Cadmium, Making Them A Smart Choice For Your Family And For The Environment. A Trusted National Brand, Acdelco Offers A Wide Variety Of Batteries You Can Count On, Including Alkaline Batteries, Lithium Coin Cell Batteries, Rechargeable Batteries, And Car Batteries.