60 Sony Batteries, Size 13 Zinc Air Hearing Aid Batteries. (60 batteries
Standard dial pack, 10 cards of 6 cells each). The SONY brand is a well
recognized leader in electronics, computing, and photo equipment. But did you
know that SONY is also one of the largest micro battery manufacturers in the
world. Designed and developed specifically for hearing aids, SONY zinc air
batteries will power up your hearing aid with long lasting performance and
reliability you can count on. All SONY button cells are made to Japan battery
specifications. The superb performance of these hearing aid batteries will
pleasantly surprise you.