Dear friends I am sharing my live experience of buying this inverter.some months back I have buyed su kam falcon 1100 12v inverter .while I am buying the company and sales person said very good quality and backup also superb like that they have told.so we have confidence on that product so we buyed it and and techinician has installed in the home following day.we have used for three months it was working well after that slowly it started creating problems.so many problems.is doesnot charge the battery properly didnt show ant indication light alsi wheter it was charging or not and battery back also reduced .so I informed to customer people they said that battery has gone with the warranty they gave other battery .same problem again started .if I ama telling same problem to customer people they are not at all listening the problem.after battery getting charged also it making a lot noise .battery low its showing if battery full .durablity is worst service also not as expected plz friends dont go for this product and waste of buying this inverter batter go with good brands