Hi , using this ups from past few months and its dissapointed me, the ups design is good and easy to use. nothing difficult its very easy to oprate , and very easy to clean , good build quality and well durability, from past 2 weeks my ups getting off automatically , I have visited near by service center and repaired it under warrenty, but after 4days the inner cooling fan is not working, again visited service center, and requested for change the peice on ( 6th decmbr) , till that day I havnt got my ups back , when ever I visit service poin, they telling sir will call u when we get warrenty claim order, poor service taking too much time , . thak you