button cell

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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 two volts, button cells come in alkaline, silver, zinc-air and lithium varieties.
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The following tests conducted by Wollongong University, measures the amount of fade in the cycle life capacity of the coin cells after a series of charge and discharge cycles.
Ultra-low power consumption for very long battery life and use of coin cells or alkaline batteries (no need for rechargeable batteries)
Tenders are invited for Supply Of Lithium Coin Cell
Since EnerChips can be charge cycled many thousands of times, an EnerChip has a similar energy storage equivalency per volume of much larger primary coin cell batteries.
2) Battery boards that allow modules to be powered by a coin cell battery; also has a breakout header for interfacing to an external microprocessor
This wafer-like plastic LED turns on with finger pressure, runs 12 to 14 hours on a lithium coin cell, and the LED is rated for 10,000 hours.
In addition to deterring children from getting into the package, Energizer has added easily understood icons on the front of the package to let parents know to keep the batteries away from small children, along with detailed warning copy advising of the danger of ingesting coin cell batteries and how to get help if they are swallowed.
Here too, new form factors will be the key differentiator compared to the high-volume incumbents such as coin cell batteries.
This functionality is yielding many new opportunities for wirelessly connected products, powered by coin cell batteries, such as handset accessories, sports & fitness monitors, and toys.
Coupled with a coin cell battery, the Switchover circuit turns a low-power SRAM into an NVRAM automatically switching to the battery when Vcc fails.
Harwin, manufacturer of hi-rel interconnect solutions and cost-saving PCB hardware products, has expanded its EZ-BoardWare range of PCB hardware products with four new coin cell holders.
Replaceable CR2032 coin cell battery, with an estimated 1+ year battery life in Stealth Mode