BB Z10: battery life?

How is the battery life of the Z10 in real condition?

How do you - if you can - compare it to the iPhone 5?

Ars' review has a completely different tone than the one on The Verge:

In mixed usage—browsing the Web, watching videos, and generally playing with the UI for our review, we ended up getting eight hours and 22 minutes out of the battery with the screen brightness set to 50 percent. This compares pretty favorably to the eight hours and 42 minutes we got out of the iPhone 5 under similar conditions and the seven-and-a-half hours we got out of the Galaxy S III.