Energizer AZ13 Hearing Aid Batteries 1.4 Volt Silver SKU: 191508 MODEL: AZ312DPA-8 Error. try again later You've successfully joined the club $ 12 .48 pack Available on orders $50 to $1500. More info × Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants You'll love hearing this: Energizer has its longest-lasting hearing aid batteries ever. Features and benefits Pack of 8. PowerSeal Technology protects your devices against leakage. These batteries deliver consistent sound quality across their life span for a better hearing experience. Zinc Air.