How to check shimano di2 battery?

To check the Shimano Di2 battery, follow these steps: 1. Locate the battery on your Shimano Di2 system. The battery is usually attached to the bottom of the bike's downtube or integrated into the seatpost. 2. Press the button on the battery. This will activate the battery indicator lights. 3. Observe the battery indicator lights. There are usually two or three lights on the battery that indicate the battery's remaining charge. - If all the lights are solid or blinking green, the battery has a full charge. - If one Light is solid or blinking green, the battery has approximately 50% charge remaining. - If all lights are solid or blinking red, the battery has a low charge and may need to be recharged soon. 4. Recharge the battery if necessary. To do this, remove the battery from its mount and connect it to the Shimano Di2 battery charger. Follow the manufacturer's instructions to fully recharge the battery. By following these steps, you can easily check the battery level on your Shimano Di2 system and ensure that it has enough charge for your ride.