The Duracell Procell C Battery is a high-performance alkaline battery designed to deliver reliable power for devices that require a C-size battery. It has a voltage of 1.5 volts and offers a 10-year shelf life. The Procell line features Duralock Power Preserve technology to help maintain a full charge for up to 10 years in storage. It's also engineered to protect devices against leaks. The C battery measures 50.5mm (height) x 26.2mm (diameter). It's best used for flashlights, clocks, toys, and other household items needing C battery power. Duracell is a trusted brand known for making quality batteries that provide dependable, long-lasting power.