supply of supply and installation, ups/inverter and battery , supply and installation, ups/inverter: 600 va / 504 w, suitable for single-phase input rate 22 0v ac rated current and output 220a ac, frequency 50 hz single phase, operating temperature 0-45 degre e c, dc bus rating 12v dc, with overload, short circuit, low battery and reverse polarity protection and mos fet pwm technology. the application ups/inverter shall be suitable for the intended emergency supply to t he lift car light and fan and to be install existing cabin space at top of the lift car with all necessary wiring a nd housing arrangement with brackets and fasteners has to be provided in order to secure the ups system s during the movement of the lift car. similar to model no : luminous eco watt + 650. [ warranty period: 12 months after the date of delivery ] ] , supply and installation of sealed maintenance free / valve regulated lead acid stationary b attery, nominal battery voltage: 12 volts, 28 ah capacity for 600 va ups/inverter, material of container: po lypropylene co-polymer (ppcp). [ warranty period: 24 months after the date of delivery ] ]