Procell Alkaline Intense Power industrial batteries are specifically designed to last longer (vs. prior Industrial by Duracell Alkaline batteries) in high drain professional devices that require a high amount of power or peaks of power, such as AA Size electronic door locks, soap dispensers or security cameras- AAA size for blood Pressure monitors, soap dispensers or flashlights _Procell Alkaline Intense Power industrial batteries are specifically designed to last longer (vs. prior Industrial by Duracell Alkaline batteries) in high drain professional devices that require a high amount of power or peaks of power, such as AA Size electronic door locks, soap dispensers or security cameras- AAA size for blood Pressure monitors, soap dispensers or flashlights - C / D and 9v size for soap dispenser towel dispensers etc.