CR1632 3V battery for Shimano 12v Di2 road bike handles

Ensure your electronic gear system runs smoothly with the CR1632 3V battery, which is essential for powering the Shimano Di2 12-speed shifters. Compatible with the Shimano, 105, Ultegra and Dura-Ace Di2 groupsets (ST-R7170, ST-R8170, ST-R9270), this lithium button cell battery ensures reliable wireless communication between your shifters and your drivetrain system.

Compact and lightweight, the CR1632 fits directly inside each grip. It powers the built-in Bluetooth wireless module, enabling precise and instant gear changes. Easily accessible beneath the palm rest, it can be replaced quickly using a simple screwdriver.

With a stable voltage of 3 volts and optimised capacity, this battery offers an average battery life of around 12 months, depending on usage and conditions. To ensure consistent performance, it is recommended that the batteries in both grips be replaced simultaneously.

Key features:

• Compatible with Shimano Di2 12V (105, Ultegra, Dura-Ace)
• CR1632 format – 3V lithium
• Essential for wireless connection of the shifters
• Quick and easy installation
• Long battery life (≈ 1 year)

Technical specifications

- CR1632 battery
- 3 Volt
- Compatible with Shimano Di2 12V
- 105, Ultegra, Dura-Ace groupsets
- Sold individually