button cell

Tiny disc power

A button cell is a small, flat, round battery resembling a button or coin in shape.

These batteries power watches, hearing aids, calculators, and small electronic devices: The watch needs a new button cell.

Also called a coin cell or watch battery.

Related

key fob · hearing aid · car key · device · watch battery · flat · lithium · power · instrument · alkaline · remote control · digital thermometer · small · round · dead battery · battery replacement · portable power · separator

Categories
Opposites
battery size and form factor

button cellcar battery

Vehicle's electrical storage unit

lead-acid battery · D cell · deep cycle battery · AA · AAA

rechargeability

button cellrechargeable battery

Cell restored by current

lithium-ion battery · nickel-cadmium battery · accumulator

Family

button, cell, buttons, buttoned, buttoning, buttonhole, buttonholes, cells, cellular

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G