Lithium cell, 3 volt, CR series, manganese dioxide, for applications requiring high voltages and strong impulse discharge properties. Advantages: long shelf life and a constant voltage. Compatible with: DL 2430 https://elecena.pl/product/18606810/lithium-button-cell-battery-3-volt-280-mah-24-5x3-0-mm 2021-05-28 https://elecena.pl/product/18606810/lithium-button-cell-battery-3-volt-280-mah-24-5x3-0-mm 2022-05-31