CR2032 Button Battery, 3V, 20mm Diameter

A CR2032 is a small, coin shaped battery which uses manganese dioxide lithium chemistry, with a diameter of 20 mm and a height of 3.2 mm. What voltage do CR2032 batteries have? CR2032 batteries all nominally have a voltage of 3 volts, and open circuit voltages of approximately 3.6 volts.