Indispensable CR2032 button battery on bicycle equipment

At present, the button battery is the most commonly used in bicycle equipment. Although very inconspicuous, it is everywhere. As for the use of the editor, Zipp Vuka Shift AXS 90 wireless signal transmitter, Quarq and Stages power meter.

This is the battery used in many road electronic transmissions, including SRAM AXS manual, SRAM Eagle AXS and GX Eagle AXS controllers; The electric transformer controller of FSA is the same. This battery powers your Garmin pedal frequency sensor and is installed on heart rate monitors manufactured by Polar, Garmin and Wahoo Fitness.

Shimano's new 12 speed road electronic transmission Dura Ace 9200 and Ultra 8100 use a smaller button battery CR1632. Timex's triathlon watch uses CR2016 (the diameter is still 20mm, but the thickness is halved). In addition, the 2032 button battery is not only used for bicycles: backup power for electronic products, such as computer motherboards, electronic watches, car remote controls, calculators, and even portable bank card readers.

CR2032 - lithium manganese dioxide battery, named according to IEC standards, where C represents the chemical properties of the battery, it is a lithium battery (as opposed to alkaline, silver, mercury and zinc), and R represents that it is round. The last four digits represent the size. 2032 represents that the diameter of the battery is 20mm, the height is 3.2mm, the standard voltage is 3V, and the rated capacity is 200-240mAh. The commonly used button batteries are CR2016, CR2032 and CR2025, with diameters ranging from 4.8mm to 30mm and thicknesses ranging from 1.0mm to 7.7mm.

These button batteries are cheap. You can buy a large board for more than ten dollars. When you complain about the failure of your electronic equipment, it is likely that the problem is the battery.

This is a non rechargeable battery. If you have pets or children in your home, be sure to keep them in a safe place out of reach. Children have swallowed button batteries by mistake, causing chemical leakage in the batteries to cause severe chemical burns to the digestive tract mucosa of children.

CR2032The storage life is usually 5 years. If the service environment is ideal (sealed, normal temperature, no moisture, etc.), the service life will be further extended, up to 8 years, or even 10 years.

It is also a friendly reminder that the Duracell 2032 battery shown in the figure will interfere with the Quarq power meter's ability to send specific signals because of some coating on the battery surface. Therefore, batteries of Energizer, Sony, Panasonic and other brands have no such interference signal.