The 2 x DURACELL CR2430 3V Lithium Coin Cell Button Battery DL/CR 2430 is a high-quality power source for a variety of devices. With a long expiry date, these batteries are reliable and suitable for both high and low drain applications. The Duracell brand ensures a trusted product, and the lithium chemical composition provides consistent performance. These coin cell batteries are compact at 24mm in size and have a voltage of 3V, making them ideal for a range of uses in the sound and vision category.