Battery installation & charging

Install the battery as shown on the next page. Once you have installed the battery, the screen indicates the battery status (see table below). If necessary, place the handset in the telephone base or charger to charge the battery. For best performance, keep the handset in the charger when not in use. The battery is fully charged after 16 hours of continuous charging. See the table on the Technical specifications page of the user’s manual for battery operating times.

If the screen is blank, you need to charge the handset without interruption for at least 10 minutes to give the handset enough charge to use the telephone for a short time. The screen shows LOW BATTERY and the backlight is off until you have charged the battery without interruption for at least one hour. The following table summarizes the battery charge indicators and actions to take.

Battery indicators

Battery status

Action

 

 

 

The screen is blank.

Battery has no charge and

Charge without interruption until

 

 

the handset cannot be used.

the screen shows LOW BATTERY

 

 

 

(at least 10 minutes).

 

 

 

The screen shows PLACE IN

Battery has very little charge

Charge without interruption until

CHARGER and

flashes.

and the handset cannot be

the screen shows LOW BATTERY

 

 

used.

(at least four minutes).

 

 

 

The screen shows LOW

Battery has enough charge

Charge without interruption until

BATTERY and

flashes.

to be used for a short time.

the screen shows HANDSET X (at

 

 

 

least one hour).

 

 

 

The screen shows

Battery is charged.

To keep the battery charged,

HANDSET X.

 

 

place it in the telephone base or

 

 

 

charger when not in use.

 

 

 

 

NOTE: If you are on a phone call in low battery mode, you hear four short beeps every minute.

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AT&T CL81309, CL81109 quick start Battery installation & charging, Battery indicators Battery status Action