Don’t let their small size fool you: This 1632 3-Volt Battery delivers big time on long-lasting, dependable power. From heart rate or glucose monitors to remotes, keyless entry systems, key fobs, watches, toys, and games and even more specialized devices. Our coin batteries are compatible with the devices that fit your life, so you can keep going. These reliable and durable Coin Lithium Batteries are able to withstand a wide range of temperatures (from -30o to 60o C).