- Nov 11, 2012
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1. Microsoft Surface Pro ($899)Battery Life: 4:37
Cost Per Hour of Juice: $199 per hour
You know it's a bad sign when the top tech story in Google News is that you might be offering an external battery for your product. Despite its Core i5 power and the ability to run both desktop and Windows Store apps, we don't recommend the Surface Pro because its 4 hours and 37 minutes of battery life completely undermines its portability. The average ultraportable laptop lasts about an hour and a half longer. And while the iPad isn't as versatile, it lasted 12 hours and 22 minutes on our battery test. That's 2.5X the endurance. If you opted for the $799, 128GB iPad, that works out to $64 an hour of juice, compared to $199 per hour for the Surface Pro.
7 Worst Battery Life-Guzzling Gadgets - Yahoo! News