Microsoft Hints at Future Battery Pack for Surface Pro

In a question-and-answer session on Reddit Wednesday, Microsoft's Surface Pro team ignored most questions about the tablet's battery life, but hinted that the company might sell an add-on battery pack in the future.

By Gregg Keizer
Thu, February 07, 2013

Computerworld

Microsoft Surface Pro
In a question-and-answer session on Reddit Wednesday, Microsoft's Surface Pro team ignored most questions about the tablet's battery life, but hinted that the company might sell an add-on battery pack in the future.

Even the team's sole response to battery questions did not spell out the time a Surface Pro would run between charges. Instead, it touted the device as "best in its class" in the category.

Video: Up Close with the Microsoft Surface Pro

Slideshow: First Look at the Microsoft Surface Pro

"If you compare it to say a MacBook Air, you will quickly see that pound for pound in battery size versus battery life, you will find optimizations that puts Surface best in its class," the team told the Reddit "Ask Me Almost Anything" (AMAA) audience. "That said, we picked a smaller battery to be sure we were able to give you the same performance and to keep it thin."

Apple's 11-in. MacBook Air, the closest Apple product in specifications to the Surface Pro, is marketed with a promise of 5 hours of battery life.

The comparison with the MacBook Air was no accident: Earlier in the week, a top Windows executive made a case for the Surface Pro by comparing its price to that of a dual purchase of Apple products, the 11-in. MacBook Air and the 9.7-in. iPad.

The AMAA took place just hours after reviews of the Surface Pro began appearing on the Web. Depending on the reviewer -- and how he or she tested battery life -- Microsoft's newest tablet lasted from just under four hours to just over five hours.

Most hammered battery life as the Surface Pro's greatest weakness. And some didn't pull their punches. Walt Mossberg of the Wall Street Journal, for example, called it "pathetic."

Microsoft has declined to talk about the Surface Pro's battery life since the device's surprise introduction in June 2012. In December, the company said the Pro's battery would last approximately half as long as the one in the Surface RT, the tablet that runs a limited version of Windows.

That led to speculation that the Surface Pro's battery would run the tablet for about four hours; Computerworld estimated it as 4.7 hours, based on tests of the Surface RT by a pair of consumer watchdogs.

On Wednesday, even after reviews had appeared knocking battery life, the Surface Pro team ignored numerous questions in the AMAA.

"What is the battery life? And why isn't it on your webpage?" one attendee asked.

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Originally published on www.computerworld.com. Click here to read the original story.
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