Duracell PROCELL® Alkaline Constant Power Industrial Batteries are ideal for powering low drain professional devices which require constant current over a long period of time. They offer reliable performance with excellent resistance to corrosion. Designed to meet all major quality, safety and environmental standards. Typical applications include: Remote Control, Wireless Mouse / Keyboard, Clocks, Torches & Thermostats. Supplied in a resealable bulk pack of 10 for great value.