Each Battery 7.9mm x 3.6mm.
Rayovac size 312 hearing aid batteries (10 packs of 6 cells, 60 cells in total)
RAYOVAC SIZE: 312-HEARING AID BATTERIES (1 Packs Of 8 Batteries).
RAYOVAC SIZE 312 HEARING AID BATTERIES (5 PACKS OF 6 = 30 CELLS) BROWN TAB
Rayovac Size 312 Hearing Aid Batteries 1 Pack - 6 cells in total
Rayovac Size 312 Hearing Aid Batteries 2 Pack - 12 cells in total
