Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Normally it should be 0. But again, the factory might have forgotten to reset it so it is 1 instead.
 
Mine was also 1, but i think i checked only after installing the first update, before Battery Settings did not load.
Coconut battery says i have 103.4% health :)
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.