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Battery installation and charging
Plug the battery
into the socket inside
the handset battery
the color-coded label.
Insert the supplied
battery with the label
THIS SIDE UP facing up
Align the cover
then slide it
upwards until it
clicks into place.
Charge the handset by placing it face forward in the
telephone base or charger. The CHARGE light on the
top of the handset is on during charging.
After you install your telephone or
power returns following a power
outage, the handset will prompt you to
set the date and time. For instructions,
see Set date/time in the telephone
system user’s manual for details. To
skip setting the date and time, press
1. Use only the supplied rechargeable battery or replacement battery
(model BT166342). To order, visit our website at
www.telephones.att.com or call 1 (800) 222-3111.
In Canada, dial 1 (866) 288-4268.
2. If you do not use the handset for a long time, disconnect and remove
the battery to prevent possible leakage.