Single Maxell SR421SW battery. Most commonly known as a replacement 348 watch battery but used in many other electronics. See our full list of SR421SW equivalent batteries below and in the specifications tab above.
SR421SW Battery Specifications:
- Model: SR421SW
- Brand: Maxell
- Chemistry: Silver Oxide
- Diameter: 4.8mm
- Height: 2.15mm
- Voltage: 1.55V
- Capacity: 12mAh
- Weight: 0.17g
- Operating Temperature: -10℃ to 60℃
SR421SW Cross Reference and Equivalent Batteries
- D348
- V348
- SP348
- SB-A6
- 280-77
- GP348
- SR421
- SR421W
Silver oxide SR421SW datasheet. We have a full range of SR421SW batteries with all major brands available.

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