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Energizer Hearing Aid Batteries - 24 X Size 13 Zinc Air
SKU: icsaq668802
What makes the Zinc Air battery unique is that it uses oxygen from the atmosphere. It has a small hole in the case that allows air into the battery, which is used as part of the chemical reaction. The battery is not activated until the plastic seal is removed. Typical applications are hearing aids, pagers and personal medical instruments.