Lift from the Battery Compartment Release slot on the bottom of the right side of the device.
Remove the battery by lifting it from the slot on the bottom of the battery.
Clean any debris off the gold contacts on both the battery and the handset.
Note: To clean the contacts it is recommended to use a soft cloth.
To reinsert the battery, place the top of the battery in the battery compartment, ensuring the gold contacts align with the battery terminals on the handset, and then press the battery into place.
Reattach the battery cover by pressing along the edges to ensure it snaps into place.