The CR2020 is a 3V lithium manganese dioxide (LiMnOâ‚‚) coin cell battery commonly used in small electronic devices for long-lasting and stable power.
- Nominal Voltage: 3.0 V
- Typical Capacity: Around 160-170 mAh
- Standard Discharge Current: Usually low (e.g., 0.1-0.2 mA)
- Dimensions: 20.0 mm diameter × 2.0 mm thickness
- Weight: Approximately 3 grams
- Operating Temperature Range: Typically -20°C to +60°C (may vary by manufacturer)
- Common Applications: Watches, calculators, key fobs, small medical devices, fitness trackers, and other compact electronics
- Shelf Life: Often up to 8-10 years when stored properly
