Battery Calculations
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Document #50907 Rev.A1 12/03/02 P/N 50907:A1
CHAPTER 5 Battery Calculations
Use the Total Standby and Alarm Load Currents calculated in Table 5-2 and Table 5-3 for the following battery
calculation.
Note:
1.
7 Ampere Hour battery can be located in the backbox.
TABLE 5-1:
Battery Calculations
Standby Load
Current (amps)
[ ]
X
Required Standby Time in
Hours (24 or 60 Hours)
[ ]
= __________
Alarm Load
Current (amps)
[ ]
X
Required Alarm Time in Hours
(i.e. 5 minutes = 0.084
10 minutes = 0.167)
[ ]
= __________
Add Standby and Alarm Load for Required Ampere Hour Battery =
Multiply by the Derating Factor of 1.2 X1.2
Total Ampere Hours (AH) Required =