it is a ford, there for it did not have much to begin with. but give us more details and we will see what we can come up with. is the car still under warranty? given that ford has not had a hybrid out for very long i think that it should still be covered. if the power loss is for a smaller...
well, you loose the clock memory, the radio station presets, the cpu will loose information of current conditions like fuel system strategy, but that is relearned in a short time.