Battery - Honeywell MPA2 Installation Manual

2.5 Battery

For the MPA2 Standard Enclosure panel, includes one 12 VDC, 7Ah sealed
lead-acid battery. The battery provides standby backup power, depending
upon system configuration and activity. When AC is lost, the power supply
automatically switches to the backup battery for continuous 12VDC power.
Replace the battery every 2 to 2.5 years, or more often if the system has a
high rate of backup use.
Caution:
disconnect the battery and AC- power before servicing.
MPA2 Access Control Unit Installation Guide, Document 800-25395 - B
MPA2 units should powered by a 120/240 VAC fused line. Always
Installing the MPA2 Panels
Panel Components and Descriptions
11