Spike if your inverter covers for your tv,fan,lighting in the house etc. why would you want a UPS for your ps3 only? It would be much more easier if you buy a power extension and plug the tv and the ps3 in the same plug were the power remains after the power go out and the inverter takes over.
For the people that don't know what his issue is.
He wants a ups for his ps3 because in his country the power goes out and his inverter takes over but he does not cover the ps3 only his Tv,lighting in his house,fans etc. So he wants a separate unit only for his ps3 so it don't become damage from the power just being cut off from the ps3.