| Specification | Details |
|---|---|
| Battery Type | Lithium Coin Cell |
| Model | CR1220 |
| Nominal Voltage | 3V |
| Capacity | 35-40 mAh |
| Diameter | 12.5 mm |
| Height | 2.0 mm |
| Weight | 0.8 g |
| Operating Temperature | -20°C to +60°C |
| Applications | CMOS memory backup, watches, calculators, key fobs, and small electronics |