Charging The Phone Battery - Cisco 7920 Phone Manual

Charging the Phone Battery

A rechargeable battery powers the Cisco Unified Wireless IP Phone 7920. To charge the battery,
follow these steps:
If you want to...
Charge the battery
Tips
• The phone detects when the battery power level is low and displays the warning message, "Battery
Low" with the warning tone specified in your active user profile.
• The standard battery provides up to 3.5 hours of talk time or up to 21 hours of standby time. The
extended battery provides up to 4.25 hours of talk time or up to 30 hours of standby time.
• For more information about battery charging options and times, refer to the "Desktop Charger"
section in the Cisco Unified Wireless IP Phone 7920 Accessory Guide.
Cisco Unified Wireless IP Phone 7920 for Cisco Unified CallManager 5.0 (SCCP)
Then...
1. Connect the cable from the power supply to the connector in the phone.
2. Connect the power supply to an AC wall outlet. The screen indicates that
the battery is charging.
3. Charge the standard battery for about 3.5 hours and the extended
battery about 4.5 hours. The screen displays when the battery is charged.
4. When the battery is fully charged, disconnect the charger from the phone
and unplug the power cord from the AC wall outlet.
Connecting Your Phone
15