This 4 pack of high quality 9V alkaline battery is designed for professionals with performance guaranteed from Duracell.These batteries provide high quantities of dependable batteries at a cost-effective price and deliver long-lasting power across a range of professional applications.Duracell Industrial offers bulk battery supplies for use in torches, smoke alarms and medical devices.Duracell Industrial batteries are designed and economic bulk packaging for wholesale and professional trade customers and offer reliable performance, even after seven years of storage.Industrial by Duracell batteries are designed and manufactured to meet IEC 60086 and ISO 9000 standards.Please note:Duracell Industrial batteries used by known as Procell.Specifications Battery type: 9V MN1604 alkaline Operating temperature range:-20C to 54C (-4F to 130F)Storage temperature range: 5C to 30C (41F to 86F)Typical weight: 45g (1.6oz)Designation: IEC - 6LF22Dimensions: 48.5 x 26.5 x 17.5mm (H x L x W)What's in the Box?4 x Duracell Industrial 9V MN1604 alkaline batteries