Button lithium battery everActive CR1220 — 3V, 40 mAh, 12.5×2 mm, single-use, 5 pcs

everActive CR1220 single-use button lithium cells provide 3 V nominal voltage and 40 mAh capacity in a compact 12.5 × 2 mm format. The pack contains five coin cells designed to supply steady power to small, low-drain electronic devices such as watches, calculators, key fobs and certain medical instruments. Observe the safety warning: do not swallow batteries.

Advantages

These CR1220 lithium button batteries offer a stable voltage output and a compact size suitable for space-constrained devices. Their single-use chemistry ensures predictable discharge behavior and reliable shelf-life for standby applications. The 40 mAh capacity balances runtime and size for low-power electronics.

Suitable for

• Wristwatches and small timepieces
• Calculators and small electronic toys
• Remote controls and key fobs
• Portable medical devices with low power requirements

Key specifications

• Nominal voltage: 3 V
• Typical capacity: 40 mAh
• Cell size: 12.5 × 2 mm (diameter × thickness)
• Cell type: single-use lithium button/coin cell
• Quantity in pack: 5 pieces

How to use

Install the correct polarity when placing the CR1220 coin cell into the device holder. Ensure contacts are clean and free of debris before insertion. Replace batteries only with the same type and size to maintain device performance. Dispose of used cells in accordance with local battery disposal and recycling regulations.

Recommendations

Avoid swallowing and keep batteries out of reach of children. Do not recharge, puncture, short-circuit, heat above recommended temperatures, or dispose of in fire. Store unused batteries in a cool, dry place away from metal objects to prevent accidental shorting.