LR41 battery equivalent

The one maker datasheet we found that prints LR41 is Energizer’s 192: an alkaline cell 7.90 mm across and 3.60 mm tall, rated 1.50 V. That sheet lists no other codes besides the IEC designation. The silver-oxide 392 and 384 have the same size on their sheets, but they are a different chemistry, and no sheet we checked lists them as LR41 replacements.

The copy of the 192 datasheet on Energizer’s site is stamped “OBSOLETE” at the foot of the page. We show its figures because it is still the maker’s published sheet for this cell; the stamp may mean the sheet or the part has been withdrawn, and the datasheet doesn’t say which.

AG3, the code often searched for alongside LR41, isn’t printed on any maker datasheet or cross-reference page this site cites, so we can’t match it to a cell from a maker’s own sheet.

192 (LR41) vs 392 / 384 (SR41)

On the datasheets the 392 and 384 share the 192’s diameter and height. The 192 is alkaline manganese dioxide at 1.50 V; the 392 and 384 are silver oxide at 1.55 V. Their capacity ratings aren’t comparable with each other either: Energizer and Renata test the 392 / 384 at different loads and cut-off voltages, so both figures are shown below. If your device’s manual names a cell, use that one.

Specs, with sources

LR41

Energizer 192 (IEC LR41, alkaline)

Maker part numbers checked: Energizer 192

Chemistry

Alkaline manganese dioxideEnergizer 192 datasheet, PDF p. 1 · checked 2026-09-27

Voltage

1.50 VEnergizer 192 datasheet, PDF p. 1 · checked 2026-09-27

Diameter

7.90 mmEnergizer 192 datasheet, PDF p. 1 (upper figure of the range on the drawing) · checked 2026-09-27

Height

3.60 mmEnergizer 192 datasheet, PDF p. 1 (upper figure of the range on the drawing) · checked 2026-09-27

Rated capacity

45 mAhEnergizer 192 datasheet, PDF p. 1 (15 kΩ, to 0.9 V) · checked 2026-09-27

SR41

SR41: 392 / 384 (silver oxide)

Maker part numbers checked: Energizer 384, Energizer 392, Renata 384, Renata 392

Chemistry

Silver oxideEnergizer 392 datasheet, PDF p. 1 · Energizer 384 datasheet, PDF p. 1 · Renata 392 datasheet, PDF p. 1 · Renata 384 datasheet, PDF p. 1 · checked 2026-09-26

Voltage

1.55 VEnergizer 392 datasheet, PDF p. 1 · Energizer 384 datasheet, PDF p. 1 · Renata 392 datasheet, PDF p. 1 · Renata 384 datasheet, PDF p. 1 · checked 2026-09-26

Diameter

7.90 mmRenata 392 datasheet, PDF p. 1 · Renata 384 datasheet, PDF p. 1 · checked 2026-09-26

Height

3.60 mmRenata 392 datasheet, PDF p. 1 · Renata 384 datasheet, PDF p. 1 · checked 2026-09-26

Rated capacity

Sources disagree

Each maker rates capacity under its own test load and cut-off voltage, so the figures below aren’t measured the same way.

• 41 mAh — Energizer 392 datasheet, PDF p. 1 (15 kΩ continuous, to 1.3 V); Energizer 384 datasheet, PDF p. 1 (15 kΩ continuous, to 1.3 V) (checked 2026-09-26)
• 45 mAh — Renata 392 datasheet, PDF p. 1 (18.2 kΩ, to 1.2 V); Renata 384 datasheet, PDF p. 1 (18.2 kΩ, to 1.2 V) (checked 2026-09-26)

Codes printed on the SR41 datasheets

• SR736SW printed on Renata 384 datasheet“384 SR736SW (SR41)” · checked 2026-09-26
• SR736W printed on Renata 392 datasheet“392 SR736W (SR41)” · checked 2026-09-26

Renata’s cross-reference list

Renata, a battery maker, prints these other brands’ part numbers next to its own on each product page. They are Renata’s cross-references, not those brands’ own statements.

Renata 384: Maxell SR41SW, Panasonic SR41SW, Murata SR41SW, Toshiba SR41SW, Energizer Eveready 384, Varta V384, Rayovac 384, Duracell D 384/392, Citizen 280-18, Seiko SB-A1/D1Renata 384 product page · checked 2026-09-26

Renata 392: Maxell SR41W, Panasonic SR41W, Murata SR41W, Toshiba SR41W, Energizer Eveready 392, Varta V392, Rayovac 392, Duracell D 384/392, Timex K, Citizen 280-13, Seiko SB-B1Renata 392 product page · checked 2026-09-26

What this page doesn’t cover

Other cells

How values are checked and what “equivalent” means here: method.