Spare Battery Charging; Prepare The Power Adapter - Cisco 8821 Administration Manual

Phone Battery Charging

Spare Battery Charging

If you require longer talk times, you will find it useful to have a spare, charged battery. You can charge a
spare battery in the desktop charger or multicharger.
Warning Explosion Hazard: Do not charge the spare battery in a potentially explosive atmosphere. Statement 431
The spare battery takes about 3 hours to charge in the desktop charger or multicharger.

Prepare the Power Adapter

The power adapter for your phone is compact. Before you use the power adapter, you have to unfold the
prongs. After you use the adapter, you can fold in the prongs.
The power adapter for your region may also require an additional clip to allow the adapter to be plugged into
the electrical outlet.
Procedure
Step 1 Catch the edge of a prong with your finger and pull the prong up until it clicks into position.
Step 2 (Optional) Install the international power clip.
Step 3 (Optional) Before you close the adapter, remove the international power clip.
Step 4
(Optional) Hold the lever on the top of the adapter down and press the prongs down to close the adapter.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
34
Phone Setup