Duracell CR1620 lithium battery. Much more than just watch batteries, Duracell coin and button batteries are also ideal for remotes, battery alarm clocks and many other devices. With guaranteed long-lasting power, Duracell coin batteries offer Duracell quality in a variety of sizes. They have up to 10 years of in-storage guarantee so you can be confident these lithium coin batteries will be ready when you need them. To help ensure the safety of your children and discourage swallowing, Duracell has developed the Baby Secure Technology, a bitter taste layer applied on the back side of the cell, and has designed a Baby Secure pack, tamper-proof pack with double blister so that it is impossible for a child to open without scissors. Leak-resistant construction. Fully sealed and packaged in original retail packaging. Sourced only from authorised UK distributors. Covered by full manufacture. 5 x DURACELL 3v Lithium Batteries 1620 ALSO KNOWN AS: CR1620 CR-1620 DL16202 ECR1620 DL1620 DIAMETER: 16.0mm THICKNESS: 2.0mm VOLTAGE: 3V (Supplied in sealed packets as shown) Lithium Watch/Calculator/Car Alarm Battery. Unveil the convenience of a long-lasting power source with the Duracell CR1620 3V Lithium Coin Button Battery, ideal for a plethora of devices including car keys, remote controls, and watches. These batteries are designed to cater to high-drain applications, ensuring reliability and efficiency. Each pack contains four units, boasting a chemical composition of lithium-based and a voltage of 3V. The coin/button cell size measures between 18.6-20.5mm, making them a compact and suitable choice for various electronics that require a dependable energy supply. Use By Date 2034