Representative image of this battery type. Case colour and labelling vary by brand and production batch — the technical specification below is what defines the product.
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Technical specification
| Brand | Maxell |
| SKU | TBE-COIN-MAXE-SR920SW |
| Chemistry | Silver Oxide |
| Nominal voltage | 1.55 V |
| Capacity | 40 mAh |
| Energy | 0.062 Wh |
| Designation | SR920SW |
| Nominal Voltage | 1.55 V |
| Capacity | 40 mAh |
| Shelf Life | 3 years |
| Operating Temp | -20°C to 60°C |
| Child Safety | Bitter-coated / secure blister pack — ingestion hazard warning per IS 16046 |
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