Microtek is very good inverter I realy like it I am purchse microtek inverter 2 years ago with 2 battarys my inverter is 1 kg watts and I am use on this inverter 1 lcd tv , 4 fans , 3 lights and 1 tata sky setup box then my inverter backup is 12 hour continue . And I am also use 1 desktop around 2 to 3 hour continue backup of this is very good I realy like it my microtek inverter complete 2 years but this not have any singal problem I realy like it and this is very good product and very eassy to use