Preparation

Battery performance

After your Panasonic battery is fully charged, you can expect the following performance:

Operation

Operating time

 

 

While in use

Up to 5 hours

(talking)

 

 

 

While not in use

Up to 11 days

(standby)*1

 

While using the

Up to 3 hours

Clarity Booster

 

feature (page 18)

 

 

 

*1 Handset is off the base unit but not in use.

Note:

LBattery power is consumed whenever the handset is off the base unit, even when the handset is not in use. The longer you leave the handset off the base unit, the shorter you can actually talk on the handset. Actual battery performance depends on a combination of how often the handset is in use and how often it is not in use.

LOnce the battery is fully charged, you do not have to charge it again until “Recharge battery” is displayed or 7 flashes. This will maximise the battery life.

Battery replacement

If battery performance diminishes, make sure you have cleaned the charge contacts and fully charged the battery. The battery needs to be replaced if any of the following are displayed after a few phone calls even when you have fully charged the battery.

Recharge battery

7 (flashing)

Charge for 6h

8

LUse only the rechargeable Panasonic battery noted on page 4.

1Press the notch on the cover firmly and slide it as indicated by the arrow.

2Replace the old battery with a new one, and close the cover (see page 10 for battery installation).

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Panasonic KX-TG2421NZ operating instructions Battery replacement, Battery performance, Operation Operating time