"Zinc Air battery 10 / PR70 / AZA10 / 1.4 VANSMANN zinc-air high-performance batteries are the optimal energy source for all standard hearing aidsmercury-free, therefore they are especially ecologically friendlythe cells are offered in a practical blister and marked with the commonly used colorsshelf life: 4 yearslong duration, high voltage stabilitycapacity: 100 mAhvoltage: 1.45 VLGA tested quality - the independent testing institute LGA confirmed the complete and permanent quality of the product"