2 x Duracell 23A, 23AE, A23, V23GA, MN21, LRV08 12v Alkaline batteries for car security alarm systems and car keys: Amazon.co.uk: Electronics & Photo
2pcs GP 23AE 12V Alkaline Batteries : Amazon.ca: Health & Personal Care
Amazon.com: VONIKO Alkaline Battery 23A - Ultra 23A Batteries (6-Pack) - Long Lasting 12 Volt A23 Battery for Doorbells and Power Remote : Health & Household