Su kam shiny 700Va 12V modified inverter is very good products for use. I use this 2 units in home and shope, this proformance is very well. This backup is very good, no other issues use this. Very fast charge short time and good backup. This use easy no problem any other issue face me. Su kam products very nice and long life work. This inverter good use for middle family, no highly price pay this. I suggestions this allover good inverter fir use all home and shope.