The CR2032 battery is a compact, 3V lithium coin cell designed to deliver long-lasting, reliable power to a wide range of small electronics. Perfect for watches, calculators, key fobs, medical devices, fitness trackers, and more. With a shelf life of up to 10 years and stable performance in high and low temperatures, the CR2032 is a trusted choice for both home and professional use. Available in single packs or bulk quantities.