Instruction manual

BATTERY BACKUP CALCULATION WORKSHEET

STANDBY CALCULATIONS

1. Standby Current for the SPB is 0.120 Amps. 0.120 A

2. Auxiliary (DC OUT) Current (if applicable). 0.5A Max. A

3. Total Standby Current Required. Add Steps 1 and 2. A

4. Standby Time Required. 24 Hours or 60 Hours. X Hrs

5. Total STANDBY Required. Multiply Steps 3 and 4.

ALARM CALCULATIONS

Good engineering practices call for each amplifier section to operate at 80% Max wattage.

6. Audio Output Power for AUD1 OUT. 80W Max. W

7. Audio Output Power for AUD2 OUT. 80W Max. (SPB-160) W

8. Total Audio Output Power. Add Steps 6 and 7. W

9. Conversion Factor for Audio Power to DC Amps. X 0.054

10. Total Audio Current Required. Multiply Steps 8 and 9. A

11. Auxiliary (EXP OUT) Current (if applicable). 0.5A Max. A

12. Strobe Output Current for STB1 OUT. 2A Max. (SPB-80/4) A

13. Strobe Output Current for STB2 OUT. 2A Max. (SPB-80/4) A

14. Total ALARM Current. Add Steps 10, 11, 12 and 13. A

15. Alarm Time In Hours. 15Min = 0.25Hrs, 5Min = 0.083Hrs X Hrs

16. Total Alarm Required. Multiply Steps 14 and 15.

BACKUP BATTERY REQUIREMENT

17. Total STANDBY and ALARM Required. Add Steps 5 and 16. AH

18. Safety Factor Multiplier. X 1.1

19. Minimum Backup Battery Requirement. Multiply Steps 17 and 18.

Ampere Hours

NOTE: The Battery Charger In The Audio Booster Can Provide A Maximum Current of 0.5Amps.