Renata CR1220 3v lithium battery

The Renata CR1220 is a Swiss-made, 3 V primary (non-rechargeable) lithium coin cell battery designed for reliable low-to-moderate drain devices. 

Key features:

- Size & type: Coin cell, 24.5 mm diameter × 5.0 mm height.

- Voltage: Nominal 3 V from a lithium.

- Discharge characteristics: Standard discharge current ~0.8 mA and max continuous ~3 mA.

- Operating temperature: Wide range, typically −40 °C to +85 °C, suitable for many environments. 
- Low self-discharge: Retains charge well over time.

Typical uses: Watches, calculators, medical devices, sensors, key fobs, and other portable electronic gadgets requiring a stable long-lasting 3 V source.