Battery Calculation Worksheet - General Signal Building BPS6 User Manual

Battery calculation worksheet

Auxiliary devices
Note: Only add auxiliary current if SW1-12 is OFF. (Auxiliary output stays on after AC power failure.
Device type
Total Aux.
NAC devices
Note: Use strobe 20.4 V current rating for calculations.
Device type
Total NAC Alarm Current
Supervisory Current Calculation
Supervisory current
Supervisory Hours
Supervisory battery required (mAHr)
Alarm Current Calculation
Alarm Minutes
Alarm Hours
Alarm current
Alarm Hours
Alarm battery required (mAHr)
Total Battery Requirement
Total Amp-Hour Battery Size
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Quantity Auxiliary current (mA)
Qty Alarm current (mA)
70 + A (if SW1-12 = OFF)
(i.e. 24,60)
(i.e. 5 min.)
(D/60)
190 + A (if SW1-12 = OFF) + B
[(1.11 x C) + (2 x F)] =
1000
Total / device
A (mA)
Total alarm
B (mA)
= (mA)
X (Hr)
= C (mAHr)
= D (min)
= E (Hr)
= (mA)
X E (Hr)
= F (mAHr)
10 AH Max.
15