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Locking catch—Push up to release the battery.

Battery catches—Insert these into the slots near the bottom of the phone at battery installation.

Metal contacts—Match the contacts on the battery to the contacts on the phone.

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

 

Charging Time if AC Power

Charging Time if Phone Connected

Battery Type

Supply Connected to Phone

to USB Port on PC with USB Cable

 

 

 

Standard

2 hours

5 hours

 

 

 

Extended

3 hours

7 hours

 

 

 

8

OL-16131-01

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Image 16
Cisco Systems CP7921GAK9RF Charging the Phone Battery, Charging Time if AC Power, Battery Type Supply Connected to Phone