The CR2032 battery is used in watches, calculators, PDA devices, medical devices, toys, bathroom and kitchen scales, pedometers, and countless other products. The CR2032 battery is the most common lithium battery. It is commonly used in computer motherboards with non-volatile BIOS memory and real-time clock (RTC) backup batteries. With a lifespan of up to ten years, this battery is an economical option that allows you to keep your electronic equipment running.