What is a 377 battery equivalent to?

The 377 is interchangeable with: SR626SW, AG4, 626, SR66. These share the same size and voltage.

What voltage is a 377 battery?

A 377 is 1.55V, measuring 6.8 × 2.6 mm.

Wristwatches — one of the most common watch cells.

377

1.55V · 6.8 × 2.6 mm · Silver oxide

The 377 (SR626SW) is the default battery in a huge number of analog and digital watches.

Battery type	377
Voltage	1.55V
Size	6.8 × 2.6 mm
Chemistry	Silver oxide
Equivalents	SR626SW, AG4, 626, SR66
Common uses	Wristwatches — one of the most common watch cells.

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💡 Watch cells look alike — always read the number printed on the old cell before buying.

What is a 377 battery equivalent to?: The 377 is interchangeable with: SR626SW, AG4, 626, SR66. These share the same size and voltage.
What voltage is a 377 battery?: A 377 is 1.55V, measuring 6.8 × 2.6 mm.
What is a 377 battery used for?: Wristwatches — one of the most common watch cells.