Maxell CR2025 3V Lithium Coin Battery for Car Keys

Maxell CR2025 3V Lithium Coin Cell Battery

The Maxell CR2025 is a high-quality 3V lithium coin cell battery made in Japan. It powers car key fobs, remote controls, watches, and other small electronics reliably and for a long time. Maxell is one of the world's best-known battery makers, so you get steady voltage, a long shelf life, and proven reliability.

Key Features

• Original Maxell quality – genuine battery, made in Japan
• 3V lithium chemistry – stable voltage for the whole life of the battery
• 10-year shelf life – very low self-discharge, good to keep as a spare

Specifications

Brand	Maxell
Model	CR2025
Type	Lithium Manganese Dioxide (Li-MnO2) coin cell
Nominal Voltage	3V
Nominal Capacity	approx. 170 mAh
Diameter	20 mm
Thickness	2.5 mm
Shelf Life	Up to 10 years
Quantity	1 battery

Common Applications

• Car remote key fobs and smart keys
• Garage door and gate remotes

How to Replace Your Car Key Battery

1. Open the key fob case carefully with a small flat tool.
2. Note which way the old battery faces, then remove it.
3. Put in the new Maxell CR2025 with the "+" side facing the same way.
4. Close the case and test the lock and unlock buttons.