64 batteries / 8 packs of 8 Rayovac orange 13 hearing aid batteries. Note expiry dates: 1 x July 2029, 3 x April 2029, 1 x Nov 2029, 1 x June 2027, and 2 packs expiry March 2026 but they should still be fine. I've put a low start price because of the last 2. Thank you