Synergy LR721 1.55V 362 Button Battery

The Synergy LR721 Lithium Button Cell is a high-capacity replacement battery that's commonly found in calculators, heart rate monitors, wrist watches, thermometers, and other tiny electronic devices. This small size battery is made up of Lithium Manganese Dioxide chemistry that not only supplies the cell with the high voltage required for high-performance devices but also has a very low self-discharge rate, extending the battery's shelf life.

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