LR521 Battery Pack of 10 Alkaline 1.5V


In stock

  • 10 batteries in retail package
  • Usually ships within 24 hours


In stock

LR521 Battery – pack of ten. Can be used to replace SR521SW watch batteries. Commonly known as an SR63 and AG0 battery. See our full list of equivalent batteries below.

LR521 Battery Specifications:

  • Diameter: 5.8mm
  • Height: 2.1mm
  • Voltage: 1.5V
  • Capacity: 10mAh
  • Operating Temperature: -18℃ to 55 ℃
  • Chemistry: Alkaline

LR521 Cross Reference and Equivalent Batteries

  • AG0, AG-0, LR521
  • 379, 379A, 379X, 379LD, UC379, 379L, E379, D379, R 379, GP379, SP379, V379
  • 521A, S521E
  • 618, JA, RW 327
  • 1191SO, 280-59
  • SG-521S, SR 521 SW, SR521, SR521SW, SR63, SR63, SG0

With a low discharge rate of <1% per year equating to a 10+year shelf life with almost full capacity. LR521 datasheet. We have a full range of LR521 batteries with all major brands available.

SKU: 2406712737-2 Categories: , Tags: ,
Nominal Voltage


Nominal Capacity


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


5.8mm x 2.1mm

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