The Ansmann Zinc Air ZA312 (PR41) is a pack of 6 hearing aid batteries commonly known as the brown pack. These cells are 1.4V & weigh 0.54g. Application range: Analog & digital hearing aids
- Diameter: 7.9 mm
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Height: 3.6 mm
- 6 battery dial pack Also known as: DA312, AC312, PR312H, ZA 312, HA312, V312A,