Rayovac Extra Advanced Hearing Aid Batteries X 19 (6 Pack) Size 312 BB Mar2021. These batteries are all packed as new, the best before date is Mar 2021, hence the bargain price. I would rather recycle than throw away. 114 in total. 19 packs of 6.

Brand: Rayovac Extra Advanced
Type: Coin Cell/Button
Unit Type: Unit