Cisco 7921G - Unified Wireless IP Phone VoIP Accessory Manual - Page 2

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Cisco 7921G - Unified Wireless IP Phone VoIP Accessory Manual

Battery Types

Battery Types
Table 1
Unified Wireless IP Phone 7921G Guide
.
Table 1
Type
Standard
(firmware
releases prior to
1.0(4))
Standard
(firmware
release 1.0(4)
and later)
Extended
(firmware
releases prior to
1.0(4))
Extended
(firmware
release 1.0(4)
and later)
Use only Cisco supplied batteries with the Cisco Unified Wireless IP Phone 7921G.
Caution

AC Power Supply

The power supply with AC plug adapter shown in
battery. To use the power supply, first insert the appropriate AC plug adapter, then plug the power supply
into a wall outlet, and insert the connector into the base of your Cisco Unified Wireless IP Phone 7921G.
You can use the phone while you are charging the battery.
Note
Cisco Unified Wireless IP Phone 7921G Accessory Guide
2
describes the battery types for the Cisco Unified Wireless IP Phone 7921G. Refer to the
Battery Types for the Cisco Unified Wireless IP Phone 7921G
Technology
Lithium ion
Lithium ion
Lithium ion
Lithium ion
If you have a desktop charger, you do not need a phone power supply to charge your phone, too.
for instructions on installing your battery.
Talk Time
Standby Time
Up to 10 hours
Up to 80 hours
Up to 11.5 hours Up to 150 hours
Up to 12 hours
Up to 100 hours
Up to 15.5 hours Up to 200 hours
Figure 1
enables you to quickly charge your phone
Cisco
Battery Part Numbers
CP-BATT-7921G-STD=
CP-BATT-7921G-STD=
CP-BATT-7921G-EXT=
CP-BATT-7921G-EXT=
OL-11926-02