120 ZeniPower Batteries, Mercury Free Size 675 Zinc Air Hearing Aid Batteries.
(120 batteries Standard dial pack, 10 cards of 6 cells each). ZeniPower
hearing aid batteries and cochlear batteries, is the only zinc air button
battery manufacturer in China. With over 21 years in research and development
and a patented unique technology, you will be satisfied with ZeniPower zinc
air batteries. Hearing aids using zinc air battery size A10 to A675. You can
expect fewer battery replacements, clearer tones, less distortion, fewer
volume adjustments, and longer service life.