Keep your calculators and other electronic devices charged Lithium coin-cell 2032 batteries power a variety of electronic devices, including select calculators, remotes, memory back ups and testing meters. Features a high-capacity design and Power Preserve technology with low self discharge for a long-lasting service life. Duracell(R) 3-Volt Lithium Coin-Cell 2032 Batteries, Pack Of 4 is one of many Watch, Calculator & Specialty Batteries available through Office Depot. Made by Duracell.