Alkaline Button Cells (1.5V) reference
LR41
Battery equivalent chart, replacements, and specs
LR41 aliases and equivalent names
Common search labels and closely related markings include AG3. Packaging conventions vary, so confirm the compatibility grade, voltage, chemistry, and dimensions shown below before replacing the battery.
Voltage
1.5 V
Chemistry
Alkaline
Capacity
25–35 mAh
Size
7.9×3.6 mm
LR417.9 × 3.6 mm
Exact equivalents
Exact- AG3 — Alkaline label
- L736 — Common alkaline search/retail label
Conditional alternatives
Conditional- SR41 — Silver oxide — 1.55V, better for watches
- 392 — Silver oxide US label
- SR736SW — Silver oxide IEC-style label
Technical data
Specifications
| Specification | Value |
|---|---|
| IEC / Common Code | LR41 |
| Chemistry | Alkaline |
| Nominal Voltage | 1.5 V |
| Capacity | 25–35 mAh |
| Cutoff Voltage | ~0.9 V |
| Dimensions (D × H) | 7.9 × 3.6 mm |
Typical applications
- Small toys
- Mini flashlights
- Thin watches
- Digital thermometers
Applications
Replacement Compatibility
Side-by-side comparisons
Frequently Asked Questions
Is L736 the same as LR41?
Yes. L736 is a widely searched label for the LR41/AG3 alkaline size.
Should I always trust cross-reference charts?
Use this guide as a starting point, then confirm with your device manual. Chemistry and voltage must match for safe operation.
Related Batteries
Review record and primary sources
Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: model and alias mapping, nominal voltage and chemistry, physical dimensions, capacity range and replacement warnings.
- Silver Oxide (SR) and Alkaline Button (LR) Battery Specifications — Maxell. SR/LR model dimensions, voltage, nominal capacity and drain class.
Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.
Selection notes
Do not confuse AG3/LR41/L736 with AG13/LR44 — the sizes are completely different.
Last verified Aug 25, 2026. Always confirm voltage, chemistry, and dimensions with the device manufacturer before replacing any battery.