Energizer AZ675 Hearing Aid Batteries 1.4 Volt SKU: 186815 MODEL: AZ675DPA4 Error. try again later You've successfully joined the club $ 6 .28 pack Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants EZ turn and lock design keeps unused batteries safe and secure. Features and benefits Zero mercury. Size 675.