Hiii everyone I want to share with u my persional experience about power giluard inverter.i will not recomended this type of inverter because thetly are not good for daily purpose.in home or in office it will not give the backup .it gives lots of problem.it is tottaly wastage of money.inverter just worked for one to two hour.i was so much dippointed it was only three month and it does not work properly.i had warrenty so I called v guard customer care and they changed the inverter.this inverted was worst then that.this inverted stop working with in 4 months.i request to everyone not buy this inverted.i am not satisfied to buy this.,