hearing aid battery
Tiny listening cell
A hearing aid battery is the small power cell that runs a hearing aid.
These are typically zinc-air button cells that activate when a tab is removed, exposing them to oxygen.
Standard sizes are numbered 10, 312, 13, and 675, with smaller numbers indicating smaller batteries for more discreet devices.
I need to pick up hearing aid batteries for my grandfather.
- zinc-airBattery using atmospheric oxygen
- button cellFlat disc-shaped battery
- tinyExtremely small in size
- beepShort electronic tone
- deadNo longer alive
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