Reference
Battery sizes.
There are four standard hearing aid battery sizes. Manufacturers use an industry-standard colour-coded system, so you'll find the same colour on every brand.
10Yellow
Used in the smallest hearing aids — IIC and CIC styles.
Lifespan~3–5 days
312Brown
Most common — used in RITE and ITC styles.
Lifespan~5–7 days
13Orange
Used in larger ITE and BTE styles.
Lifespan~7–10 days
675Blue
Largest size — high-power BTE styles and cochlear implants.
Lifespan~9–14 days
Tip:Most clinics stock all four sizes. We sell singles and bulk packs, and we'll always tell you what your specific device needs.
Hearing is precious
Out of batteries?
Stop by any of our five locations — no appointment needed.