Mictotek Inverter.. Review on Microtek Inverter

Last year on october I went to an electrical shop of our local market to bye an inverter the shopkeeper advise me to bought mictotek inverter of 850 watt.According to his belief I bought it with a new power7 battery to home.It was running good condition during seven month but after seven month it was unable to on a 7watt cfl bulb.since microtek inverter has two years warrenty so I give it to the microtek dealer to repaire it after one week they give me the inverter after repairing they told me that it will functioning well now and will not give us any disturb.But again after one week it was unable to on a bulb.So I through the inverter in our go down room and immediately I bought a new luminous 850 watt inverter now it is running in good condition with the old power7 battery. From my review I kindly request microtek company to improve their products other then giving more advertise in different print and electronic media or giving more comission to shopkeepers.