Luminous is one of the best brand among the inverterand leads the revolution in the world of electricity. I have bought one inverter and one battery at a time at a comfertable price of rs.16000. The brand ambessedor of luminus brand was sachin tendulkar. It really gives good battery backupand fast charging facility. At the time of purchasing they gives us warrenty of 48 months.And the warrenty period has passed but it dosen’t damages at this time. It gives very classy design in ups and are easy in use anyone can operate easily. This brand is amazing