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BATTERIES
Spare Battery Charger
This phone is equipped with a built-in spare battery
charger in the base unit. The spare battery charger allows
you to always have a charged battery available should the
handset battery charge become low.
NOTE: Do not switch the battery while on a call.
To install the spare battery pack:
(Replacement Battery #3500, SKU# 90817)
1 Open the base unit battery compartment.
2 Place the spare battery pack in the battery compartment.
Make sure the metal contacts on the end of the battery
are aligned with charging contacts in the battery
compartment.
3 Replace the battery compartment cover.
4 When the battery is installed properly, the indicator on
the base unit will light.
5 The spare battery will be fully charged after 16 hours.
NOTE: The indicator on the base will remain lit as long
as there is a spare battery installed in the base. The light
does not go out when the battery is fully charged.
Power Failure Operation
This phone is capable of supplying back-up power to the
base unit in the event of a power failure. This feature only
works when the spare battery is installed in the base unit
spare battery charger and is fully charged. When the
telephone is operating on back-up power, you may only
answer and place calls.
NOTE: The amount of time this phone will operate
during a power failure will vary depending on use and
spare battery charge level.