The Energizer CR1220 is a type of lithium coin battery with the following specifications:
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Size: 12.5 mm in diameter and 2.0 mm in thickness.
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Voltage: 3.0 volts.
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Type: Lithium coin cell, which is commonly used in small devices like watches, key fobs, medical devices, and electronics.
These batteries are known for their long shelf life and high energy density, making them ideal for low-drain devices. They also have a wide temperature range, meaning they can perform well in both hot and cold conditions.