Energizer(R) "2032" Lithium Coin Batteries deliver dependable, long-lasting power for a range of specialty devices. These specialty batteries hold power for eight years in storage and perform well in temperatures from -22 degrees Fahrenheit to 140 degrees Fahrenheit (-30 degrees to 60 degrees Celsius). These button cell batteries are ideal for powering toys, games, watches, keyless entry, heart rate monitors and glucose monitors.