SR44 Battery · Silver Oxide 1.55V
1.55V button cell for analogue watches, calculators and medical devices - SR44 / 357 crossover.
Specifications
- Voltage
- 1.55V
- Diameter
- 11.6 mm
- Thickness
- 5.4 mm
- Capacity
- 175 mAh
- Weight
- 2.1 g
- UL
- UN38.3
- CE
- RoHS
- ISO9001
SR44 vs LR44: same footprint, and the marking is what you match. Our cells carry the SR44/357 crossover and run at 1.55V.
Buying SR44 replacement cells in bulk: carded formats for watch distribution, with IEC cross-reference documentation per order.
Where it is used
- Watches
- Calculators
- Medical devices
Equivalent & Cross-Reference
- AG13
- LR44
- A76
- 357
Packing quantities are standard; other formats on request.
SR44 vs LR44
Same 11.6 × 5.4 mm footprint - match the marking on the device. Our cells carry the SR44/357 crossover and run at 1.55V.
Wholesale & Custom Supply
Silver-oxide SR44 supply in carded formats; watch-distribution and medical channels supported with IEC documents.
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 LR44/LR44H button cell (non-rechargeable)
- Category
- Portable battery
- Chemistry system
- Zn-MnO₂
- Model
- LR44/LR44H
- 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
| Type | Approx. Weight | Capacity | MAD |
|---|---|---|---|
| Anti-explosion | 1.9g | 114mAh | 560.0 hours |
| Normal | 1.9g | 118mAh | 600.0 hours |
| Extra | 1.9g | 123mAh | 615.0 hours |
◆ Capacity & MAD test condition: 6.8KΩ 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 SR44 battery?
A 1.55V button cell (silver-oxide crossover), 11.6 × 5.4 mm, about 175 mAh typical capacity.
Can I replace SR44 with LR44?
Sizewise yes — match the marking; our cells run at 1.55V across the crossover.
