Amazon.com: Duracell 1620 3V Lithium Battery, 1 Count Pack, Lithium Coin Battery for Medical and Fitness Devices, Watches, and more, CR Lithium 3 Volt Cell : Health & Household
5Plus Group 5 Pcs CR1620 CR 1620 DL1620 ECR1620 3V Lithium Battery Suitable for Use in Keyfobs, Scales, Toys, Led lights, wearables and medical devices, etc: Amazon.co.uk: Electronics & Photo
Duracell Specialty 1620 Lithium Coin Battery 3V, Pack of 5 (DL1620/CR1620) Designed for use in keyfobs, Scales, wearables and Medical Devices : Amazon.in: Electronics