![]() The capacity of a CR2032 battery refers to its ability to store and deliver electrical energy. This compact size makes it compatible with many devices that require a button cell battery, allowing for easy replacement or installation. The diameter of a CR2032 battery is approximately 20 millimeters, which is where it gets its name – 20mm in diameter and 3.2mm in height. The 3-volt voltage is suitable for powering a wide range of small electronic devices efficiently. This voltage remains relatively stable throughout its discharge cycle, providing a consistent power supply to devices that require this type of battery. The CR2032 battery has a nominal voltage of 3 volts. The positive terminal is usually marked with a “+” sign or a raised bump, while the negative terminal is typically flat or marked with a “-“ sign. These terminals are typically located on the top surface of the battery, allowing for easy installation and connection in various electronic devices. The CR2032 battery features two terminals, a positive (+) terminal, and a negative (-) terminal. Backup power supplies: CR2032 batteries are often used as backup power sources for various devices, such as electronic locks, security systems, or small backup clocks.They are also used in some computer peripherals, such as wireless keyboards or mice Motherboards and computer peripherals: CR2032 batteries are commonly used on computer motherboards to power the CMOS (complementary metal-oxide-semiconductor) memory that stores system settings.Electronic toys: Certain electronic toys, such as handheld games or small interactive devices, may use CR2032 batteries.Car alarms: Some car alarm systems utilize CR2032 batteries in their key fobs or control panels.Medical devices: Some medical devices, such as glucose meters and heart rate monitors, use CR2032 batteries for power.Fitness trackers: Many fitness trackers and activity monitors use CR2032 batteries to power their tracking functions.Keyboards and mice: Some wireless keyboards and mice use CR2032 batteries to operate wirelessly.Remote controls: Some remote controls, particularly those used for car key fobs, use CR2032 batteries.Calculators: Many pocket calculators rely on CR2032 batteries for their power source. ![]()
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