1. Maxell 379 SR521SW Watch Battery 1.55v Button Cells with Silver Oxide Technology

The 379 Battery is also a replacement for equivalent batteries:
SR521SW, SR63, SR521, SB-AC/DC, 280-59, JA, V379, D379, 618, GP379, S521E, 379, LR521, AG0, 379A, 379X, AG0, AG-0, 521A, UC379,  SB-AC, 379LD, E379


  2. Chemistry: The Maxell 379 is a silver oxide battery, which provides a stable voltage over a longer period compared to other battery chemistries.


  4. Voltage: It typically has a voltage of 1.55 volts.


  6. Size: The 379 is a button cell battery, and its dimensions are standardized to fit into various devices. The diameter is approximately 11.6 millimeters, and the height is about 2.15 millimeters.


  8. Capacity: The capacity of the Maxell 379 is usually around 16-18 milliampere-hours (mAh). This capacity indicates how much energy the battery can store.


  10. Usage: The primary application for Maxell 379 is in small electronic devices, such as wristwatches, calculators, and various other compact gadgets. It is commonly used in devices that require a reliable and compact power source.


  12. Cross-Reference: It's essential to note that different manufacturers might use different numbering conventions for the same or similar battery types. The Maxell 379 is equivalent to other batteries with similar specifications, such as SR521SW or SR63.