These Duracell size 13 hearing aid batteries are designed to operate perfectly in a range of different branded hearing aids. They boast 0% mercury and no added lead.
Duracell use the industry-standard colour code which can usually be found on battery tabs and packaging. These particular cells are size 13 so they use the colour Orange.
These size 13 cells can also be known as DA13, AC13 or ZA13 batteries.