Energizer Products - Lithium Batteries, 3.0 Volt, For CR2032/DL2032/LF1/2V - Sold as 1 CD - Lithium 3.0 volt batteries are designed for use in watches, calculators, PDAs, electronic organizers, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods such as pedometers, calorie counters and stopwatches, and medical devices such as digital thermometers and glucose monitors.