Panasonic KX-TCD715EM Service Manual page 9

4.3. Batteries
4.3.1. Installing the Batteries in the Handset
4.3.2. Battery Charge
4.3.3. Battery Strength
You can check the present battery strength on the display.
4.3.4. Recharge
4.3.5. Battery Information
After your batteries are fully charged:
- Battery operation time may be shortened depending on usage
conditions, such as:
- when viewing the Caller ID Caller List, or phonebook
- when talking in speakerphone mode,
- ambient temperature.
- Clean the handset and base unit charge contacts with a soft, dry
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