LR41 Battery: 1.5V, AG3 Equivalent
Small 7.9 mm alkaline button cell for thermometers, watches and glucometers.
Specifications
- Voltage
- 1.5V
- Diameter
- 7.9 mm
- Thickness
- 3.6 mm
- Capacity
- 32 mAh
- Weight
- 0.7 g
- UL
- UN38.3
- CE
- RoHS
- ISO9001
An LR41 battery replacement is usually a thermometer or a toy - check the 7.9 mm diameter before ordering, as the 6.8 mm watch cells look similar in a drawer.
Buying LR41 in bulk: 10 pcs per card, 200 pcs per box, with export documents for medical-adjacent channels.
What is a LR41 battery?
LR41 is a button cell rated 1.5V, 7.9 × 3.6 mm, with roughly 32 mAh capacity. Its cross-reference codes are AG3 / 392 / SR41. When replacing it, match the voltage and the diameter first — the 7.9 mm size is what decides whether the cell sits correctly in its holder.
| Voltage | 1.5V |
| Capacity | 32 mAh |
| Equivalent & Cross-Reference | AG3 / 392 / SR41 |
Where it is used
- Watches
- Thermometers
- Glucose meters
- Toys
Equivalent & Cross-Reference
- AG3
- 392
- SR41
Packing quantities are standard; other formats on request.
Wholesale & Custom Supply
Factory-direct LR41/AG3: 10 pcs per card, 200 pcs per box, and export-ready documents for medical-adjacent channels.
Battery Information for the EU Market
For each model we publish its full battery information file under Regulation (EU) 2023/1542 — chemistry system, performance data, hazardous substances statement and related documents.
General Information
- Battery Name
- Alkaline Zn-MnO₂ LR41/LR41H button cell (non-rechargeable)
- Category
- Portable battery
- Chemistry system
- Zn-MnO₂
- Model
- LR41/LR41H
- Trade/Brand name
- TianQiu/No-brand/OEM brands
- Nominal Voltage
- 1.5V
- Production Date
- According to customer requirements, generally printed on the battery body:Y-M For example: 64=2026-04 6X=2026-10 6Y=2026-11 6Z=2026-12
- Shelf Life
- One years under normal storage conditions
- Country of Origin
- China
Manufacturer
European Authorized Representative
- Apex CE Specialists GmbH
- Grafenberger Allee 277, 40237 Düsseldorf, DE
- Contact: Wells Yan
- Email: Info@apex-ce.com
- Tel: +49 2131 206 6043
Battery Characteristics Data Sheet
| Approx. Weight | Capacity | MAD |
|---|---|---|
| 0.6g | 34mAh | 530.0 hours |
◆ Capacity & MAD test condition: 22KΩ 24h/day to 1.2V @ 20±2℃◆ Approx. weight only for reference
Critical Raw Materials
- Manganese
- Graphite
Hazardous Substances & SVHC Statement
No substances listed in the REACH Candidate List of Substances of Very High Concern (SVHC) are present above 0.1% w/w.
Related Documents
Manufacturer: DongGuan Tianqiu Enterprise Co., Ltd. — assessed against Articles 6 & 13 of Regulation (EU) 2023/1542.
FAQ
What is an LR41 battery?
A 1.5V alkaline button cell, 7.9 mm diameter and 3.6 mm high, about 32 mAh typical capacity.
What batteries replace LR41?
AG3, 392 and SR41 (silver-oxide equivalent) — same size, different chemistry class.
