Hearing Aid Battery Battery Size 675 Battery Chemistry Zinc Air Voltage - Batteries 1.4V DC Standard Battery Pack Size 6 Capacity - Batteries 625 mAh Battery Cross-Reference 675A 675AE 675HP AC675E B6754 B900PA DA675H4 ME9Z R675ZA S675A Drain Type - Battery High Drain Diameter 0.45 in Depth 0.205 in Max Operating Temp 130 Degrees F Min Operating Temp -4 Degrees F Color Code Blue Package Quantity 6