Energizer Alkaline Battery A27 SKU: 108661 MODEL: A27BP1 Error. try again later You've successfully joined the club $ 6 .98 each Mitre 10 Variants A27 Alkaline Battery. Pack of 1. Features and benefits Exceptional batteries to deliver power-packed activities for all high performance applications. An ideal battery for keyless entry, electronics books, heart rate monitors, glucose monitors and much more.