Energizer Button Battery 4x CR2016 Lithium

* Make the most of your devices with the reliable and long-lasting energy you expect from Energizer. * Stock up on Energizer CR2016 batteries for watches, keychains, remote controls, and alarm detectors. * This battery pack is also a great choice if you need a new battery for your car key. * Each Energizer CR2016 battery retains its energy for up to 10 years when stored and can withstand temperatures from -30º to 60ºC. * They are also responsibly designed, mercury-free, with child-secure packaging. * Used batteries? Drop them off for free at a collection point near you.