CR1220 Battery:Overview, Features, and Applications

CR1220 Battery:

The CR1220 is a coin cell battery featuring a diameter of 12.5mm and a thickness of 2.0mm. Typically, this battery employs a lithium manganese dioxide chemistry and provides a nominal voltage of 3V. Below you'll find information regarding its main functions, application areas, and alternative models:

Main Functions:

  1. Power Source: The CR1220 battery acts as a reliable power source, offering 3 volts for various electronic devices.

  2. Longevity: Known for a long shelf life and operational duration, making it suitable for devices that require steady, long-term power.

  3. Compact Design: Its small, flat shape makes it easy to integrate into compact devices where space is limited.

  4. DataSheet CR1220 PDF

Application Areas:

  1. Electronic Devices: Widely used in small electronic devices such as watches, calculators, key fobs, and cameras.

  2. Medical Devices: Employed in medical devices like glucose meters, heart rate monitors, and hearing aids.

  3. Remote Controls: Utilized in various remote controls for TVs, car alarms, garage door openers, etc.

Alternative Models:

  1. CR1216: Slightly smaller in diameter and thickness compared to the CR1220 battery.

  2. CR1616: With a larger diameter but thinner than the CR1220 battery, offering more capacity.

  3. CR2032: Larger in size compared to the CR1220, providing more power and commonly used in computer motherboards, remotes, etc.

  4. LR44: Although smaller, it can be used as an alternative power source for devices that require a 3V button-type cell.

Selecting a Battery:

When selecting a battery for your device, consider the following factors:

  • Voltage: Ensure that the battery provides the required voltage for your device.
  • Capacity: Choose a battery with sufficient capacity to meet the power demand of your device.
  • Size: Select a battery size that fits the device’s battery compartment.
  • Chemistry: Consider the operating conditions and temperature range to choose the appropriate battery chemistry.

It's advisable to consult the device's manual or specifications to determine the correct battery type and size required. Additionally, consider factors like cost, availability, and brand reputation when selecting a suitable battery for your electronic device.

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