coin cell

Disc-shaped power source

A coin cell is a small, flat, circular battery resembling a coin or button.

These batteries power watches, calculators, hearing aids, and key fobs.

Also called a button cell or button battery: The remote takes a coin cell—CR2032, I think.

battery

lithium

Lightest solid element

hearing aid · calculator · CMOS · disposable · shelf life · 3V · button

applications

watch

Portable timekeeping device

remote · CMOS · BIOS · motherboard · glucose monitor · thermometer · scale · pedometer · LED light · laser pointer

electrical

voltage

Electrical potential difference

anode · cathode · electrolyte · galvanic · nominal · load · drain · impedance · terminal · polarity

form

miniature

Reduced-scale representation

  • compactTightly packed together
  • flatLacking vertical variation
  • roundCurved like circle

disk-shaped · thin · lightweight · small-scale · pocket-sized · portable · low-profile · cylindrical · stackable · standardized

Categories
Opposites
battery rechargeability

coin cellrechargeable battery

Cell restored by current

lithium-ion battery · accumulator · power bank

battery form factor and capacity

coin cellcar battery

Vehicle's electrical storage unit

lead-acid battery · deep cycle battery · D battery · 9-volt battery · AA battery

power source type

coin cellAC power

Oscillating electrical current

wall outlet · generator · solar panel · fuel cell · power grid

Family

coin, cell, coins, coined, coining, coinage, coiner, cells, celled

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G