Micro BatteriesSilver Oxide Batteries Standard

Murata offers extensive product lineup to support various devices requiring small battery form factor with large capacity.
All models are 100% made in Japan, and environmentally friendly (0% mercury).

Click here for details▼

Standard >

Series Lineup

Swipe left or right to change screens View in landscape mode
Part Number Status Nominal
Mass (oz) Mass (g) Nominal
Temperature Range
60mAh 0.457inch 11.6mm 0.081inch 2.05mm 0.0325oz 0.92g 1.55V -10℃ to 60℃ SR55
85mAh 0.457inch 11.6mm 0.12inch 3.05mm 0.0494oz 1.4g 1.55V -10℃ to 60℃ SR54
45mAh 0.311inch 7.9mm 0.142inch 3.6mm 0.0229oz 0.65g 1.55V -10℃ to 60℃ SR41
110mAh 0.457inch 11.6mm 0.165inch 4.2mm 0.0635oz 1.8g 1.55V -10℃ to 60℃ SR43
75mAh 0.311inch 7.9mm 0.213inch 5.4mm 0.0423oz 1.2g 1.55V -10℃ to 60℃ SR48
20mAh 0.268inch 6.8mm 0.085inch 2.15mm 0.0113oz 0.32g 1.55V -10℃ to 60℃ SR60
28mAh 0.268inch 6.8mm 0.102inch 2.6mm 0.0141oz 0.4g 1.55V -10℃ to 60℃ SR66
29mAh 0.311inch 7.9mm 0.083inch 2.1mm 0.0148oz 0.42g 1.55V -10℃ to 60℃ SR58
35mAh 0.311inch 7.9mm 0.102inch 2.6mm 0.0176oz 0.5g 1.55V -10℃ to 60℃ SR59
40mAh 0.374inch 9.5mm 0.081inch 2.05mm 0.0208oz 0.59g 1.55V -10℃ to 60℃ SR69
60mAh 0.374inch 9.5mm 0.106inch 2.7mm 0.0275oz 0.78g 1.55V -10℃ to 60℃ SR57
75mAh 0.374inch 9.5mm 0.142inch 3.6mm 0.0388oz 1.1g 1.55V -10℃ to 60℃ SR45
  • *Data is not guaranteed, and is provided for reference purposes only.
  • *Please contact us for other models.


  • High energy density
    High energy density has been achieved owing to the Murata's original high-precision material-mixing technology. The use of antioxidant, high performance separators also contributes to improved storage characteristics.
  • Excellent stable discharge characteristics
    Constant voltage output is available during the discharging.
  • Excellent leakage resistance
    Murata-unique sealing structure, coupled with special sealing- material treatment, has helped accomplish the excellent leakage resistance.