Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
sebisworld said:
And they thought it through. You don't need to put the battery in your Powerbook to see its status.

I have had feature for years in Compaq/HP-laptops. I think it's pretty standard feature across all laptop-manufacturers.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.