Maintainance; The Backup Battery - Watchguard N517Series II User Manual

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5. Maintenance
The complete system should be tested at regular intervals. We suggest testing it once
every fortnight or at least once per month.

5.1. The Backup Battery

The back up battery charges automatically (when necessary) while the power supply
(plug pack) is connected. The system has a self-test function and will report a low
back up battery on disarming. See Section 2.6.
To test manually: Disconnect the Power Supply and ensure the system will arm and
disarm from back up battery power only.
WARNING: DO NOT OPEN THE SIREN COVER. HIGH VOLTAGE INSIDE.
DO NOT ATTEMPT TO REPLACE THE BACKUP BATTERY.
Backup Battery Specifications
Battery Type Sealed Lead Acid Battery
1.2Ah
Capacity
Voltage 12 Volts