The Giga- tek CR1220 3V Lithium battery (Pack of 5) is a reliable and long-lasting power source for various devices. With a voltage of 3 volts, these batteries provide consistent power for your electronic devices. This pack of 5 batteries is a cost-effective solution for those who need multiple batteries for their devices. These batteries are compatible with a wide range of devices such as calculators, watches, remote controls, and more. Made with high-quality materials, these batteries are also leak-proof and safe to use.