Charge the Battery with the AC Power Supply
You can charge your phone using an AC power supply. When you use the power supply to charge your phone,
the battery can take up to 3 hours to fully charge.
The wide connector on the USB cable connects to the phone using magnets to hold it secure. It has pins that
you need to align correctly. If you hold the phone so that the screen is towards you, the battery icon on the
connector is visible.
Do not charge the phone in a hazardous environment.
Do not charge the phone if it is wet.
Caution
Before You Begin
You need the USB power cable supplied with your phone.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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Phone Setup
Phone Battery Charging