Luminous Eco Watt + 850 is the No. 1 selling Home UPS system. It is an efficient inverter built with advanced PCB programming, microprocessor and FSW transformer. It has extra load handling capacity to run more loads than other UPS of similar ratings and inbuilt intelligent thermal management system to shut down the system in case of overheating. It has a three-stage charging system which offers safe & efficient charging and ensures a long working life of the battery. The battery charging of the UPS commences even at input voltage as low as 110V AC.