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Battery Life - Panasonic KX-TCD420NZM Service Manual

Digital cordless answering system, metalic gray version

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The handset which power is off will be turned on automatically when it is placed on the base
unit.
In normal use, the handset and the base unit should be powered on at all times.
Note for Service:
The battery strength may not be indicated correctly if the battery is disconnected and connected
again, even after it is fully charged.
In that case, by recharging the battery as mentioned above, you will get a correct indication of
the battery strength.

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
6

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