Replacement Coin Cell Battery BR1225

Reliable power for compatible electronics

The Rome Tech BR1225 is a 3V long-life lithium coin cell for compatible compact electronics. It is non-rechargeable. With a nominal capacity of 45 mAh and an operating temperature range of -40 to +85°C, it is designed for low-drain, long-term use.

Suitable for backup power and low-power electronics

Typical applications include backup power, clocks, memory backup and other compatible low-drain electronics. Its 12.5 mm diameter × 2.5 mm height format is intended for holders or assemblies compatible with BR1225; confirm the required battery dimensions and electrical specifications before use.

Features

• Nominal voltage: 3V

• Nominal capacity: 45 mAh

• Operating temperature: -40 to +85°C

• Chemistry: Lithium Carbon Monofluoride (Li/(CF)n)

• Dimensions: 12.5 mm diameter × 2.5 mm height

• Battery type: Primary, non-rechargeable

• Nominal discharge current (approximate): ≈0.01 mA

• Typical weight (approximate): ≈0.9 g

• Annual self-discharge (reference/estimate): Reference: ~1%/year at 20°C

Choosing the right battery

Confirm your device’s voltage, current, battery holder or mounting method, and operating temperature requirements before installation. Actual capacity and service life depend on load, temperature and device conditions. For use near the stated temperature limits, contact Rome Tech for application guidance.

Do not recharge, short-circuit, disassemble or solder directly to the cell. Keep coin batteries away from children.

Datasheet