Sony 379 1.5V Button Battery

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• Sony Battery is used to replace SR521SW style batteries commonly used in popular watch brands such as Casio, Timex, Swatch and Fossil, or other devices like calculators, cameras and medical instruments.
• This battery has a nominal capacity of 16 mAh, which is a measurement of energy capacity of the battery.
• Sony's top-rated batteries provide an excellent combination of high energy and continuous voltage supply.
• These batteries provide long shelf life for back up energy purposes together with ideal temperature resistance and superior storage capacity.
• Sony batteries are guaranteed to provide optimal performance throughout the life of the battery.

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