RENATA CR1225 lithium 3V coin cell battery BAT1225.RN1 for small electronics and memory backup

RENATA CR1225 lithium 3V coin cell battery BAT1225.RN1 is a compact power source intended for small electronic devices and memory backup functions. The CR1225 size delivers a stable 3V output suitable for low-drain applications such as watches, key fobs, calculators and electronic toys. Its small diameter and low profile make it appropriate where space is limited and a long shelf life is required.

Advantages

The battery provides a consistent 3V output with low self-discharge, offering long storage life and dependable performance in low-current devices. Its compact coin cell format allows straightforward replacement in devices specified for CR1225 cells and supports stable voltage for memory retention and timing functions. The construction is optimized for reliability under normal operating conditions typical for small electronics.

Suitable for

• Wristwatches and small timepieces
• Car and home key fobs
• Calculators and small electronic gadgets
• Memory backup in alarm systems, meters and electronic modules
• Health devices with low power consumption

Key specifications

• Chemistry: Lithium manganese dioxide (typical for 3V coin cells)
• Nominal voltage: 3.0 V
• Cell format: Coin / button cell, CR1225 size
• Typical capacity: Suitable for low-drain applications (small devices and backup)
• Operating temperature range: Commercial device ranges (specified by device manufacturer)
• Self-discharge: Low, enabling extended shelf life

How to use

Insert the battery into the device following the manufacturer’s polarity marking (+/−). Ensure the cell sits flat in the holder and that contacts are clean and free of corrosion. Replace with a fresh CR1225 cell when device performance declines or memory backup indicators show low battery. Dispose of used lithium coin cells according to local regulations for battery recycling.

Usage recommendations

Store unused batteries in a cool, dry place away from direct sunlight and metal objects. Do not recharge, puncture, or short-circuit the cell. Use this RENATA CR1225 lithium 3V coin cell only in devices that specify CR1225-sized 3V lithium batteries to ensure compatibility and safe operation.