PHOTO Presented here are the top five 2011 laptops for battery life, as measured by ZDNet UK's sister site CNET News in their in-house video playback battery drain test.
Note that these rankings only include integrated batteries, not secondary add-on slice batteries. if we included those, systems such as Sony's Vaio Z, with a combined 634 minutes between its internal battery and a $150 (£96) add-on slice battery together, would make the list.
5. Apple MacBook Pro Winter/Spring 2011 (2.7GHz Core i7, 13-inch)With a boost from Intel's Core i-series CPUs and the switch from Nvidia graphics to Intel's built-in HD3000, this version of the popular MacBook Pro ran for 418 minutes. Read the full review here.
Photo credit: CNET News
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