AT&T HS-8500 Spare Battery Charger, Power Failure Operation, To install the spare battery pack

B A T T E R I E S

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)

1Open the base unit battery compartment.

2Place 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.

3Replace the battery compartment cover.

4When the battery is installed properly, the indicator on the base unit will light.

5The 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.

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