The Eunicell CR2016 is a pack of 10 lithium coin cell/button batteries, each providing a voltage of 3V. These CR2016 batteries are designed for single use and are commonly used in various devices requiring a reliable power source, such as watches, calculators, and small electronic devices. With a chemical composition of lithium, these batteries are suitable for multipurpose use in sound and vision equipment. The pack also includes other battery sizes like CR2025 and CR2032.
eBay