Luminous Zelio Powered by a 32 bit DSP processor, Zelio has adaptive learning capability to optimally charge batteries and intelligently calculate backup and charging time. Smart display with unique indication that displays backup and charging time, along with Mains On, Eco/UPS Mode, system fault and battery. Luminous Zelio has easy by pass switch, In case of any fault in UPS, Bypass switch can be used to bypass the UPS and allow mains to be available without any wiring changes. Zelio is armed with comprehensive protection features such as short-circuit, reverse polarity, battery over-charge and battery deep-discharge.