Rayovac Hearing Aid Batteries for Bloom Size 13 (Pack of 60 cells) By | June 13, 2018 - 3:57 am |June 13, 2018 Hearing Aid Batteries bloom hearing aid batteries by Rayovac in a size 13. Hearing aid batteries are delivered in cartons of 60 cells. Product Features Zinc Air Battery Manufactured by Rayovac Pack of 60 Batteries The bloom size 13 batteries are mainly for the smaller hearing aids such as CIC (completely in canal) and some of the RIC (receiver in canal). Free UK Delivery Click Here For More Information Tagged Batteries, Bloom, Cells, Hearing, Pack, Rayovac, Size. Bookmark the permalink.