Battery Life; Replacing The Batteries - Panasonic KX-TCD450 Series Service Manual

4.3.

Battery Life

· Battery life is dependent on use and conditions but in general when using fully charged Ni-MH batteries (700 mAh):
Talk time: 10hrs approx.
Standby time: 120hrs approx.
· When using Ni-Cd batteries (250 mAh):
Talk time: 4hrs approx.
Standby time: 40hrs approx.
(Times indicated are for peak performance)
· The batteries reach peak performance after several full charge/discharge cycles.
· The batteries cannot be overcharged unless they are repeatedly removed and replaced.
· If battery life is shortened then please check that battery and charge terminals are clean.
· For maximum battery life, it is recommended that the handset is not recharged until battery icon flashes
4.4.

Replacing the Batteries

If the icon flashes after a few telephone calls even when the handset batteries have been fully charged, both batteries
must be replaced.
Charge new batteries for approximately 7 hours before initial use.
(The telephone line cord must not be connected to the telephone socket at this time).
When replacing the batteries, ensure that the correct battery type is selected.
· To exit the operation, press
· When Ni-Cd batteies are fitted with the
even if the handset is on the cradle.
· Do not use non-rechargeable batteries. If non-rechargeable batteries are fitted and start charging, it may cause the leakage
of the battery electrolyte.
Please use only Panasonic HHR-4EPT(Ni-MH) or P-4NPT(Ni-Cd) batteries.
any time.
setting in
9
KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT
, icon might disappear and stop charging
.