371 Battery · Silver Oxide 1.55V
9.5 mm watch cell - SR920SW family, AG6 crossover.
Specifications
- Voltage
- 1.55V
- Diameter
- 9.5 mm
- Thickness
- 2.1 mm
- Capacity
- 38 mAh
- Weight
- 0.5 g
- UL
- UN38.3
- CE
- RoHS
- ISO9001
A 371 battery replacement is slightly larger than the 377 - 9.5 mm versus 6.8 mm. Compare diameters before buying.
Bulk 371 / AG6 supply: carded retail or inner-box formats, with cross-reference lists for repair and distribution channels.
Where it is used
- Watches
- Small electronics
Equivalent & Cross-Reference
- SR920SW
- AG6
Packing quantities are standard; other formats on request.
371 vs 364
The 371 (9.5 × 2.1 mm) is the larger watch battery; the 364 (6.8 × 2.1 mm) is the small one. Both carry the silver-oxide crossover - our cells run at 1.55V. Check the diameter before buying.
Wholesale & Custom Supply
371/AG6 supply in carded or bulk formats with cross-reference documentation for watch 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 LR920/LR920H button cell (non-rechargeable)
- Category
- Portable battery
- Chemistry system
- Zn-MnO₂
- Model
- LR920/LR920H
- 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 |
|---|---|---|
| 0.5g | 19mAh | 480.0 hours |
◆ Capacity & MAD test condition: 33KΩ 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 a 371 battery?
A 1.55V button cell (silver-oxide crossover), 9.5 mm diameter and 2.1 mm high - SR920SW, AG6 equivalent.
What battery replaces 371?
SR920SW and AG6 are direct equivalents.
How long does a 371 battery last?
1–2 years typical in a quartz watch.
Is 371 the same as AG6?
Yes — same cell, AG-series and IEC-style naming.
Is the 371 rechargeable?
No, it is a primary cell — replace when drained.
