Energizer Alkaline Battery A23 SKU: 114248 MODEL: A23BP2 Error. try again later You've successfully joined the club $ 6 .88 pack Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Lithium A23 battery. Exceptional batteries to deliver power-packed activities for all high performance applications. Features and benefits An ideal battery for keyless entry, electronics books, heart rate monitors, glucose monitors and much more. Pack of 2.