393/309 Watch Batteries

The 393/309 watch battery is a small, silver oxide button cell with a large capacity for its size. It can be used as a direct replacement for SR753PW, AG5, SR48W, RW48 batteries and is commonly used in high drain wrist watches.

These batteries provide extra capacity with a package that’s thicker than some, measuring only 7.9mm in diameter, but 5.4 mm high. Output voltage is the standard 1.55V and nominal capacity is approximately 80mAh.

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