Hearing Aid Battery A312/B6 Evergreen 6pk, Size A312, Zinc Air, 1.4VHearing Aid Battery A312/B6 is a popular battery for in- canal hearing aids. All manufacturers colored code this A312 battery brown for easy identification.What makes the A312 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 A312 battery is not activated until the plastic seal is removed. Typical applications are hearing aids, pagers and personal medical instruments. With the A312 high quality Evergreen Brand Zinc Air battery, you will experience fewer battery replacements, clearer tones, less distortion, and longer service life. These batteries give the highest energy density of any battery system and is environmentally safe.Battery Date Code: We always ship the freshest date codes. Please call us for latest date code as it changes regularly.SpecificationsType: Zinc Air Voltage: 1.4V Color Coded: BrownDiameter: 7.9mmHeight: 3.6mmQuantity: 6 BatteriesFeatures:Super Long Service life 2-10 times longer than any other battery systemFlat Discharge Constant output voltage makes less adjustment of your hearing aid.High drain output will power the most heary duty hearing aid easily.Excellent Sealed Shelf Life Up to five years shelf life sealed with tab.Hearing Aid Battery A312/B6 also known as: VT312, XL312, AP312, 312HPX, 312A, R312ZA, 312AE, L312ZA, AC312E, ME7Z, DA312X, ZA312, V312AT, PR41, DA312H, AC312, 7002ZD, PR41, AC312E, V312A, B347PA, DA312, 312HPX, PR-312PA