Duracell Hearing Aid batteries have Duralock Power Preserve Technology so they'll last for up to 4 years in ambient storage.
6 batteries/cells per retail pack
60 batteries/cells per case of 10 retail packs
Size 10: Colour Code: Yellow; Item Codes: PR70, ZA10, Yellow, 10, 10AE, V230A, DA230, PR230H
Size 13: Colour Code: Orange; Item Codes: PR48, Orange, 13 ZA13, PR13H, DA13
Size 312: Colour Code: Brown; Item Codes: PR41 312, Brown, V312A, ZA312, 312AE, DA312, PR312H
Size 675: Colour Code: Blue; Item Codes: PR44, PR675, 675, Blue, AC675, ZA675