A.3.2: Calculating The Battery Size - Honeywell XLS140 Installation Manual

Power Supply Calculations
A.3.2 Calculating the Battery Size
Use this table to choose the battery size, in amp-hours, needed to support the fire alarm system.
Select batteries that meet or exceed the Total Amp-Hours calculated in Table A.4 and that are
within the acceptable battery charger range (12-55 AH). Write the amp-hours requirements on the
Protected Premises label.
Battery Size
12 AH
25 AH
55 AH
* Red version available; add "R" to part number listed here
76
Voltage Number
Rating Required
12 volts two
12 volts two
12 volts two
Table A.5 Selecting the Battery Size
XLS140 Installation Manual Form Number 95-7673-3 P/N 51927:C 12/06/2005
Calculating the Battery Requirements
Part
Backbox Size
Number
BAT-
12120 SBB-A4*, SBB-B4*,
SBB-C4*, SBB-D4*
BAT-
12250 SBB-A4*, SBB-B4*,
SBB-C4*, SBB-D4*
BAT-
12550 XLS-LBB*