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Lithium manganese dioxide button cells in a OEM packing and available in various sizes. We offer various types of this Varta series.
| manufacturer | Varta Microbattery |
| Manufacturer's name | 6620 401 501 |
| IEC standard | CR1620 |
| Material | lithium |
| Diameter [mm] | 16 |
| Height [mm] | 2 |
| Capacity [mAh] | 70 |
| Nominal voltage [V] | 3 |