You can check the battery status of your touchpad using the Logitech SetPoint mouse and keyboard software.

NOTE: If you don't already have SetPoint installed, you can download it. See answer 360023356553  for instructions.

To check the battery status of your touchpad:

1. Launch the Logitech SetPoint mouse and keyboard software.
   
   Start > Programs > Logitech > Mouse and Keyboard > Mouse and Keyboard Settings

2. Click the My Mouse tab at the top of the SetPoint Settings window.

   

3. Select your touchpad from the product drop-down menu at the top left.

4. Click the battery icon on the left toolbar to display the Mouse Batteries screen.

   NOTE: You can click the "?" icon for descriptions of the tasks.

5. Click Apply to save your settings and then OK to exit SetPoint.