I have been using intex protector 725 ups for 2 years.i bought it for 1750/- I thought it would be able to serve like v-guard ups and also intex is available at a low rate.but I had a bad experience on intex protector ups 725, the ups was not able to last for at least 15 min and after 6 months of usage the capacity of the battery reduced to an extent that the product was not able to keep my computer on for atleast 2 min after a full charge.
Now the condition of the ups is very very bad that if the current fails or if there is a voltage variation the ups shuts off and the computer therefore.:(