The Energizer 2032 Lithium 3V Coin Battery delivers long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors, to remotes, keyless entry systems, key fobs, watches, toys, games, and even more, coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Energizer Coin Lithium Batteries are able to withstand a wide range of temperatures (from -22°F to 140°F) and can hold power in storage for up to 10 years, giving you coin battery power you can depend on. Responsibly designed with zero mercury and child-resistant safety packaging, Energizer Lithium Coin Batteries are the right choice for your specialty devices. Energizer 2032 3V Lithium Coin Battery, 2-pack