The Amazon Basics 12-Pack C Cell Alkaline All-Purpose Batteries are high-quality, long-lasting batteries recommended for various uses such as clock, toys, and flashlights. With a voltage of 1.5V and a 5-year manufacturer warranty, these batteries provide reliable power for extended periods. Made with alkaline battery cell composition, these batteries have an expiration date of 11/2029, ensuring they remain fresh and ready to use for an extended period of time. Perfect for everyday use, these batteries are a convenient and efficient power source for a wide range of devices.