Apple offering free replacement batteries for some iPhones

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Having trouble with your iPhone 5 battery? You might be eligible for a free replacement.

Apple said "a very small percentage" of iPhone 5 smartphones may "suddenly experience shorter battery life or need to be charged more frequently."

Only iPhone 5 smartphones sold between September 2012 and January 2013 are eligible, and only those that fall within a certain range of serial numbers.

Apple has opened a website that allows people to determine whether their phones are eligible. Check here: http://at.wftv.com/1p92wCX