These GP Batteries size 675 hearing aid batteries are designed to operate perfectly in a range of different branded hearing aids. They boast 0% mercury and no added lead.
GP Batteries use the industry-standard colour code which can usually be found on battery tabs and packaging. These particular cells are size 675 so they use the colour Blue.
These size 675 cells can also be known as ZA675, AC675 or DA675 batteries.