Power up your devices with this pack of 2 Energizer CR1616 3V Lithium Coin Cell Batteries. These batteries are perfect for both high and low drain devices and have a voltage of 3V. The chemical composition of these batteries is lithium-based, ensuring long-lasting performance. These batteries have a unit quantity of 2 and are sold as a unit type. The brand of the batteries is Energizer and the type is a coin/button cell. The batteries have a sub-type of CR1616 and a battery size of CR1616. The expiry date of these batteries is in the year 2034. You can apply these batteries to various devices in the sound and vision category, as well as in multipurpose batteries and power.