hi ppl

before a bought the n900 i opened a video on youtube to see how is the n900
and i found one video and this video was good
well
i found that on the status area on the man's n900
his battery show the time left

it was written some like (1 hour of active use)

so can anyone tell me how to enable it on my phone

this is the link for the video
http://www.youtube.com/watch?v=IHa3AoNdglY

at exactly 10:33 till 10:42

and hope someone can help me cause i hate the battery icon in the status area that doesn't show anything