None of the reviews out so far are hitting on battery life in any real detail.
James Hardwick

I didn’t have the unit long enough to really gauge battery life, and so I left that out of the review. I will say that it depends enormously on what you’re doing. Apple’s standard text is for fairly light use, but if you’re using heavy duty creative apps and have the screen on full brightness you’re going to see substantially less battery life. I can’t give you an exact figure yet, but I suspect battery life under these conditions would be 4–5 rather than 10 hours.

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