Hearing Aid Batteries, Battery Size 312, Battery Chemistry Zinc Air, Voltage - Batteries 1.4V DC, Standard Battery Pack Size 12, Capacity - Batteries 185 mAh, Battery Cross-Reference 312A, 312AE, 312HP, AC312E, B3124, B347PA, DA312H4, ME7Z, R312ZA, S312A, Drain Type - Battery High Drain, Diameter 0.314 in, Depth 0.135 in, Max. Operating Temp. 122 Degrees F, Min. Operating Temp. 14 Degrees F, Color Code Brown, Package Quantity 12.
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