The za312 is a popular high quality long life 14v zinc air button cell from renata made in switzerland this type is commonly used in hearing aids the za312 has a 79mm diameter and is 36mm thick this cell comes packaged in individual packs of 6 pcs we offer wholesale price breaks for 3 5 10 25 50 and 100 packs simply order your required number of packs and the discount will be applied automatically to your basketif you require this renata button cell in wholesale volumes greater