Size 10 Batteries for Hearing Aids

Size 10 hearing aid batteries are small, disposable coin‑cell style power sources designed specifically for in‑ear and completely‑in‑canal hearing aids. Their compact dimensions allow them to fit into the tight battery compartments typical of these discreet devices.

These batteries use zinc‑air chemistry and deliver a nominal voltage of around 1.4–1.45V per cell. Once you remove the protective tab, exposure to air activates the cell so it begins delivering power. Because of their small size, size 10 batteries are ideal for devices that emphasize compactness and concealment over runtime.

Though small, size 10 cells provide reliable power for several days per battery depending on usage, making them suitable for daily wear in hearing aids and other small wearable devices that require stable, compact power.