UPDATE: Pressing deadlines are impeding my ability to test gear and software and file regular posts. But Paul Thurrott just wrote about his experiences with the Power Cover and the original Surface Pro here: http://winsupersite.com/mobile-devices/surface-pro-surface-power-cover
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The long-awaited $199 Power Cover from Microsoft arrived at Casa SurfaceProArtist this afternoon and it's charging up as I write this.
It doesn't photograph particularly well, but I offer these pics to illustrate a couple of points worth highlighting.
In the meantime, I've been asking Twitter followers for recommendations on how to test its battery life claims.
I can leave it powered on at High Performance from 100% to 0% on both the Surface Pro 1 and 2 and compare that to running times with standard machines. And I could also run comparisons with full motion video running from 100% charge to zero. But it seems to me that those are somewhat artificial measures. Surely you tax a system differently as you're working on a real world project, accessing the network and saving and loading from your drives. But I've never worked on a project non-stop for 10- or even five-hours, have you? A typical work day is filled with stops and starts, especially while traveling, where eight-hours of work can easily be stretched out over 10-, 12- or even 16-hours. (You international jet-setters know what I'm talking about).
It's a puzzlement. So until I figure this out, enjoy these lousy pics!