319 (SR527) Watch Batteries

These batteries are silver oxide button cells, typically used in wrist watches that draw significant current at times. A thicker case provides higher capacity than some cells with the same diameter. The 319 will replace batteries with these names: SR527, SB-DE, 280-60, SB-AE, SR527SW, SR64, TR527SW and D319.

The case measures 5.5mm in diameter, with a height of 2.7mm. Battery output is 1.55V with a typical capacity in the 21mAh range.


  1. Energizer 319 SR527SW SR527 Watch Battery | 1 Pack

    Watch Batteries

    One of Energizer’s crowning glories is the Energizer 319 SR527SW SR527 Watch Battery. This button...

    £1.49 (£1.24 ex. VAT)