How to change the battery on your CS540 / C054 headset?
If you notice that a fully charged battery is no longer lasting long enough, you can replace it. Its Part Number is 84479-01, 86180-01, and can purchase here;
- Slide the battery cover off and remove it from the headset.
- Pull the battery out of the attachment clip.
- Grasp the battery connector and disconnect from the headset.
- Plug the new battery to the battery connector.
- Once connected, slide the battery into place.
- Slide the cover back on and push it into place.