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Need for battery charger and battery for Fire Alarm Panel when incoming power supply is from main UPS

Question asked by chenhowe on Aug 5, 2017
Latest reply on Aug 7, 2017 by cdafd

For a Fire Alarm Panel, if the incoming power supply is UPS power supply, it is still required to add a local battery charger with batteries as UPS? Or we can take the incoming UPS power supply as secondary power to the Fire Alarm Panel?