Get the most from your essential devices with the reliable, long-lasting power you’d expect from Energizer. Pack of four, stock up with CR2032 Energizer batteries for long-lasting, dependable performance in speciality devices like heart rate monitors, remotes and fobs, keyless entry systems, glucose monitors and scales. This battery pack is also a great choice if you need a new car key battery. Each lithium battery holds power for up to 10 years while in storage and can withstand temperatures from -30º to 60ºC – they’re always ready when you are. Plus, they are secured in child-resistant packaging.