Float or Auto/Float Boost charger working on 230V AC mains charges the battery. A DC/DC converter is connected across battery, it gives the required DC output. As long as mains is present, the charger charges the battery and feeds input power to DC/DC converter. When the mains fail, instantaneously battery feeds power to DC/DC converter. There is no interruption in DC o/p voltages.
Applications
Battery powered instrumentation
Telecommunication equipment
Vital installations like power stations, hospitals, PCO telephone instruments, weighing scales, cash registers etc.
