The Verdict: It works pretty perfeclty. In our tests, the Powergorilla gave our MacBook Pro an extra 2.5 hours of battery life in everyday blogging usage (Wi-Fi on, lots of app open). That's on top of whatever the internal battery already supplies. The unit doesn't come with a MagSafe adapter...
Update: The photo previously used in this article was actually of a PowerBook screen that had been circulated and referred to as a MacBook Air screen. The new photo is actually of a late 2008 MacBook Pro, though MacBook Air users agree it demonstrates the same problem as the late 2008 MacBoo...
Mon, Dec 8 | from TidBITS