User`s manual
4
Getting started
Battery installation and charging
Once you have installed the battery, the screen indicates the battery status 
(see the following table). For best performance, keep the handset in the 
telephone base or charger when not in use. The battery is fully charged after 
10 hours of continuous charging. See the table in the Technical specifications 
section on page 41 for battery operating times.
Battery indicators Battery status Action
The screen is blank, or 
shows Place in charger  
and   (flashing).
Battery has no or very little 
charge. The handset cannot 
be used.
Charge without interruption 
(at least 30 minutes).
The screen shows 
Low battery and 
(flashing).
Battery has enough charge 
to be used for a short time.
Charge without interruption 
(at least 30 minutes).
The screen shows 
HANDSET X.
Battery is charged. To keep the battery charged, place it in the 
telephone base or charger when not in use.
Battery Pack
BT183342 2.4V 300mAh Ni-MH
WARNING: DO NOT BURN OR
PUNCTURE BATTERIES
MADE IN CHINA
MANUFACTURED BY BYD BYYYWW
Step 1
Plug the battery connector securely 
into the socket inside the handset 
battery compartment. Insert the 
supplied battery with the label THIS 
SIDE UP facing up, as indicated.
Step 2
Align the cover flat against the battery 
compartment, then slide it upwards 
until it clicks into place.
Step 3
Charge the handset by placing it face forward in the telephone base or charger. 
The CHARGE light on the handset is on during charging.
IMPORTANT INFORMATION
1.  Use only the supplied rechargeable battery or replacement battery (model BT183342). 
To order, visit our website at www.telephones.att.com or call  
1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. 
For more detailed instructions, refer to the online Complete user’s manual at 
www.telephones.att.com/manuals.
2.  If you do not use the handset for a long time, disconnect and remove the battery to 
prevent possible leakage.
CHARGE light
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