These Duracell size 10 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 10 so they use the colour Yellow.
These size 10 cells can also be known as DA10, AC10 or ZA10 batteries.