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Lithium coin CR2032 batteries is the most common battery coin providing long-lasting, reliable power for various devices. They are used to power small electronic devices such as calculators, wristwatches, various medical devices, fitness appliances, toys, etc.
| Chemical system | Lithium / manganese dioxide, Li/MnO₂ |
|---|---|
| IEC designation | CR2032 |
| Nominal voltage | 3.0 V |
| Rechargeable | No |
| Shape | Round coin cell |
| Standard discharge current | Approximately 0.2mA |
| Diameter | 20.0 mm |
| Height/thickness | 3.2 mm |
| Battery | Primary lithium coin cell |
| Weight | Approximately 2.8–3.2g |
Typical capacity – Approximately 210–240mAh, depending on the manufacturer and test conditions.
Maximum continuous and pulse current vary by brand and temperature.
Capacity is normally measured down to an end voltage of about 2.0V under a light load.
Flat positive and negative terminals
Polarity is marked on the top of the cell.