button cell


Also found in: Dictionary, Wikipedia.

button cell

A single-cell battery that is used to power wristwatches, computer clocks, hearing aids and other small devices. Also called a "coin cell," button cells look like small, squat silver cans from five to 25mm in diameter. Delivering from one to five volts, button cells come in alkaline, silver, zinc-air and lithium varieties.


Button Cells Are Thin
No more than a couple millimeters thick, button cells are used in a variety of small devices.
Mentioned in ?
References in periodicals archive ?
"As new and interesting electronic items are introduced into the family home, the potential for children to swallow button cell batteries increases and this RISK can lead to choking, burning or poisoning.
An anode-supported SOFC button cell was obtained from a commercial supplier for this project.
The most common type of foreign body was vegetable seeds (32%), followed by slate pencils (19%), stones (18%) and the least type being button cells (5%).
The VARTA microbattery offers a complete range of primary lithium manganese dioxide cylindrical and button cells for memory backup and portable applications worldwide.
These prototypes (button cell batteries) are for test purposes only.
Two earplug sizes are included, it uses 1xLR44 button cell battery (3 are included).
"The incidence and severity of button cell battery ingestion is on the rise, and not only did we want to bring visibility to what is an invisible threat in many homes but we made a commitment to work toward both technology and packaging solutions that can save lives," director of marketing for U.S.
([paragraph][paragraph][paragraph]) Legislation also is under consideration in Congress to address the potential risk of unintentional ingestion of button cell batteries by requiring that child-resistant battery compartment closures are used on all consumer products using button cell batteries.
Also, a child who has ingested a button cell may not show symptoms -- from a cold to sneezes to other varied ones -- initially.
The firm produces hundreds of millions of small button cell zinc air batteries every year.
Bluetooth low energy enables applications, such as sports and fitness equipment, medical and health, home and office, and mobile accessories, to use coin cell and energy harvesting solutions to operate for more than a year on a tiny button cell battery without recharging.
The laser pointer is powered using just one small button cell battery.