Cisco Cisco Unified Wireless IP Phone 7921G - Manual (Page 16)

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Charging the Phone Battery
You can charge the battery in your wireless IP phone by connecting the AC power supply or the USB
cable to your phone. For more information, see these sections:
• Using the AC Power Supply to Charge the Battery, page 9
• Using the USB Cable and USB Port on the PC to Charge the Battery, page 11
1 Locking catch—Push up to release the battery.
2 Battery catches—Insert these into the slots near the bottom of the phone at battery installation.
3 Metal contacts—Match the contacts on the battery to the contacts on the phone.
Battery Type
Charging Time if AC Power
Supply Connected to Phone Charging Time if Phone Connected
to USB Port on PC with USB Cable
Standard 2 hours 5 hours
Extended 3 hours 7 hours
2 2 2
1
3
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