powerone Size 13 Hearing Aid Batteries Zinc Air P13 Pack of 60

A long service life with a guaranteed high cell voltage thanks to a patented cathode technology makes frequent battery changing redundant and promises the best sound.
Each individual cell is tested for its electrical and mechanical characteristics in accordance with its specifications.
A highly developed film seal for every cell guarantees that the battery does not dry out or drain prematurely.
The stainless steel housing provides high-level stability and safe protection against corrosion.