Windows 8 Pro Surface furnished with half the battery life of RT version

Surface tablet
Could a bad battery break the Surface Pro's back?

The divide between the Surface RT and Surface with Windows 8 Pro got a little bit bigger this afternoon as Microsoft revealed via tweet that the latter has about half the battery life of the RT variant.

Answering a prompt for comments on the tab (due in January) battery longevity, the @Surface twitter account offered this response:

Uh-oh

Our test found the Surface RT lasted 7.5 hours when a 1080p WMV video was hooked into the built-in app that ships with the slate, giving it two hours more run time than the iPad 3.

That puts the Windows 8 Pro version at around 3.75 hours...perhaps a day's worth of minimal use.

According to the Surface spec sheet, the Windows RT version has a 31.5 W-h battery while the Windows 8 Pro variant comes with a 42 W-h power source.

Though the Pro version has a more amped-up battery, its more powerful processor, full Windows 8 suite and gloat-worthy display need battery life to keep its laptop-like capacities running.

Perhaps the Softies are planning an update, or are finding a way to finagle better battery life out of the Windows 8 Pro Surface, but at least they can say there are devices with worse batteries out there.

Michelle Fitzsimmons

Michelle was previously a news editor at TechRadar, leading consumer tech news and reviews. Michelle is now a Content Strategist at Facebook.  A versatile, highly effective content writer and skilled editor with a keen eye for detail, Michelle is a collaborative problem solver and covered everything from smartwatches and microprocessors to VR and self-driving cars.