Panasonic KX TGA420B - Manual (Page 11)

Battery information
After your Panasonic battery is fully charged {p 10)
Operation Operating time
While in use (TALK)
with the handset 8 hours
with the speakerphone 4 hours
While not in use (Standby)
4 days •§
Q)
S
5*.
O*
3
'The battery operating time may be shortened depending on usage conditions and
ambient temperature
' If the battery is fully charged and you use the unit in the battery power mode, you
do not have to charge the battery until “Recharge” is displayed and/or “ ”
flashes This will maximize the battery life
• The battery cannot be overcharged
For assistance, please call 1 -800-211 -PANA{7262) 11