Single silver oxide Renata SR521SW battery. Most commonly known as a replacement 379 watch battery but used in many other electronics. The alkaline equivalent is called the AG0 battery. See our full list of SR521SW equivalent batteries below and in the specifications tab above.
SR521SW Battery Specifications:
- Model: SR521SW
- Brand: Renata
- Chemistry: Silver Oxide
- Diameter: 5.8mm
- Height: 2.15mm
- Voltage: 1.55V
- Capacity: 16mAh
- Weight: 0.23g
- Operating Temperature: -10℃ to 60℃
SR521SW Cross Reference and Equivalent Batteries
- 379, 379A, 379X, 379LD, UC379, 379L, E379, D379, R 379, GP379, SP379, V379
- 521A, S521E
- 618, JA, RW 327
- SB-AC, SB-AC/DC
- 1191SO, 280-59
- SG-521S, SR 521 SW, SR521, SR521SW, SR63, SR63, SG0
- Alkaline Equivalents: AG0, AG-0, LR521
Renata SR521SW datasheet. We have a full range of silver oxide SR521SW batteries with all major brands available.

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