![](/images/new-backgrounds/1251468/25146833x1.webp)
INSTALLATION
Disconnect the telephone line cord before replacing the battery.
Always use a new 9V alkaline battery for optimum performance.
Follow these steps to install the backup battery.
1.Use a Phillips screwdriver to remove the screw on the compartment cover.
2. Push down the latch to release the battery compartment cover.
INSTALLATION
3.Snap the battery’s contacts firmly to the battery connector, then place the battery into the compartment.
4.Replace the cover and secure it with the screw.
Dispose of old battery promptly and properly.
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