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Cisco Unified Wireless IP Phone 7921G Accessory Guide
OL-11926-02
Multi-Charger
Table 3 provides the approximate charging times for the standard battery with these desktop charger
configurations.
Multi-Charger
The multi-charger, as shown in Figure 3, can charge up to six phones and up to six batteries at the same
time. You can place the multi-charger on a desk or mount it on the wall to save space.
To use the multi-charger, see Figure3 and follow these steps:
Procedure
Step1 Install and power the multi-charger by following the instructions in the installation guide that
accompanies the multi-charger.
Step2 Insert a phone into the upper compartment and the LED indicator turns red.
Step3 Insert a spare battery into the lower compartment and the LED indicator turns red.
Step4 When the LED indicator turns green, the battery is charged and you can remove the phone or battery.
Table3 Approximate Battery Charging Times for Desktop Charger
Desktop Charger Configuration
Charging Times
Standard Battery Extended Battery
Spare battery only 2 hours 3 hours
Battery installed in the phone with phone powered on 3 hours 4 hours
Battery installed in the phone (powered on) and a spare
battery
3 hours 4 hours