Feature driving tablet adoption: Battery life

Summary:Tablets are replacing laptops in more gear bags than ever before. The capabilities of tablets have evolved to make them viable alternatives for mobile professionals. Even as capable as they are, the long battery life is what's driving adoption.

The move to fixed batteries made the run time of batteries more important than ever to the true mobile professional. With no way to swap batteries, the ability to get through heavy workdays away from an outlet became a real concern. Even though battery life improved most laptops could not get through a long day. The exposure to a dead battery was even more pronounced on business trips. It was no longer guaranteed that mobile workers could get through a full day no matter what happened.

The powerful processor of Windows 8 tablets has an appeal for power users but the mobile professional has to take a step back from the 5-hour battery life.

That's why mobile professionals were open to using tablets such as iPads to replace the laptop. All other advantages aside, having a battery life of 10+ hours was a lifeline for those needing to get through a full work day. No matter how the day unfolds for the mobile worker, these new tablets can handle it without power outlets entering into the picture.

The importance of this change cannot be overstated. Laptops for the most part lost the ability to use spare batteries, thus eliminating the ability of the user to guarantee getting through a whole day, and tablets stepped in with easy all-day battery life.

Once exposed to the liberation from the power outlet, mobile professionals are adopting the tablet in increasing numbers. Go to any meeting or public work space and you see tablets in numbers greater than ever before. It is now common to see more tablets, both with and without keyboards attached, than laptops in such venues.

Replacing a laptop with a tablet is not for everyone, some workers couldn't do it even if they wanted. But as the capabilities of tablets have increased they work just fine for more folks than ever before. That battery life is a big advantage over laptops and once exposed to that many users realize how big an advantage that is.

Long battery life was a feature driving purchases of first the iPad and then Android tablets. The ability to last 10+ hours on a single charge quickly made its value known to buyers. The same can be said for the first Windows tablets to hit the market, the Surface RT in particular. 

Windows 8 tablets are aimed squarely at the mobile professional, and the 10-hour battery life of Windows RT tablets is appealing to that market segment. The same can be said for Intel Atom-based Windows 8 Pro tablets. Long battery life coupled with full Windows is a powerful draw for many mobile workers.

The same cannot be said for Windows 8 tablets with Core processors such as the Surface Pro from Microsoft. The powerful processor has an appeal for power users but the mobile professional has to take a step back from the 5-hour battery life. That won't last through even an average work day away from an outlet, much less a long one. Mary Jo Foley points out that Microsoft is aware of this shortcoming and hinted at an external battery solution for the Surface Pro. That's good but not an attractive solution for the true mobile worker.

The sealed battery technology being used in laptops and now tablets makes this feature on any mobile device more important than ever for the mobile worker. Those devices with less than 10 hours are going to have a hard time meeting the needs of the very market segment that such gadgets are trying to attract. It is a shortcoming that Windows 8 tablet makers must address, and quickly.

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Topics: Mobility, Laptops, Tablets

About

James Kendrick has been using mobile devices since they weighed 30 pounds, and has been sharing his insights on mobile technology for almost that long. Prior to joining ZDNet, James was the Founding Editor of jkOnTheRun, a CNET Top 100 Tech Blog that was acquired by GigaOM in 2008 and is now part of that prestigious tech network. James' w... Full Bio

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