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Spare Battery/Power Failure Backup
You can buy a spare handset battery (AT&T Battery 2401, SKU# 91077, sold
separately) and keep it charged in the base at all times.
In the event of a power failure, a fully charged battery in the spare battery
compartment will allow you to make and receive calls from the cordless
handset only for up to 2
1
/
2
hours.
The spare battery will fully charge in 24 hours.
INSTALLATION
INSTALLATION
ATT3658B manual-updated 5/19/04 5:34 PM Page 7