PlainBattery — Battery Cross-Reference Guide

Silver Oxide Watch Battery Chart

Compare SR44, 357, 303, SR626SW and other 1.55V silver oxide watch cells by size, drain type, brand label, and replacement compatibility.

ModelVoltageSize (mm)Guide
SR441.55V11.6 × 5.4Equivalent chart →
3571.55V11.6 × 5.4Equivalent chart →
3031.55V11.6 × 5.4Equivalent chart →
SR626SW1.55V6.8 × 2.6Equivalent chart →
SR920SW1.55V9.5 × 2.1Equivalent chart →
SR411.55V7.9 × 3.6Equivalent chart →
SR621SW1.55V6.8 × 2.1Equivalent chart →
SR1130SW1.55V11.6 × 3Equivalent chart →
SR736SW1.55V7.9 × 3.6Equivalent chart →

Popular alias searches

357303SR44SWSR44WSR1154377376SR66SR628SW371SR69392384364363389390

Review record and primary sources

Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: category membership, model dimensions and voltage, linked canonical model guides.

  1. Silver Oxide (SR) and Alkaline Button (LR) Battery Specifications — Maxell. SR/LR model dimensions, voltage, nominal capacity and drain class.
  2. Energizer 357/303 / IEC SR44 Product Datasheet — Energizer Holdings, EBC-4349C. SR44/357/303 dimensions, chemistry, voltage and low-drain performance.

Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.