Operating Instructions

1.9 Battery Information (KX-TPA70/KX-TPA73)
After batteries are fully charged (at 25 ℃ [77 ℉]):
Operation
Operating Time
KX-TPA70 KX-TPA73
While Talking (Backlight off, Narrowband
Mode)
Up to about 11 h Up to about 18 h
While Talking (Backlight on, Wideband
Mode)
Up to about 8 h Up to about 7 h
While not in use (Standby) Up to about 200 h Up to about 200 h
• Operating time may be shorter than listed above depending on usage conditions and
ambient temperature.
• The batteries will drain slowly even while the handset is turned off.
• The handset can receive calls while charging.
• Battery consumption increases when the handset is out of range (if "
" flashes, turn
the handset off).
Important
• Clean the handset and the charger contacts with a soft, dry cloth once a
month. Clean more often if the unit is subject to grease, dust or high humidity.
Otherwise the batteries may not charge properly.
Low Battery Warning
The batteries need to be charged in the following situations:
• The battery level indicator displays as empty ("
") and the alarm sounds
*1
.
• "Charge Battery" is displayed. In this situation, the handset cannot be operated.
*1
If the low battery warning occurs during a conversation, after 1 minute, the
conversation will be disconnected, and after 1 more minute, the handset will turn off.
Replacing the Batteries (KX-TPA70 only)
If the battery level indicator displays as empty (" ") after using the phone for a short
time, even when the batteries have been fully charged, the batteries should be replaced.
Before replacing the batteries, make sure the low battery warning is displayed, then turn
off the power to prevent memory loss. Replace the batteries and charge the new
batteries for about 6 hours.
If you replace the batteries before the low battery warning appears, the battery strength
icon may display an incorrect reading. In this case, use the handset as normal with the
new batteries installed.
1.9 Battery Information (KX-TPA70/KX-TPA73)
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