If your iPhone battery is draining too quickly, you're qualified to get a new battery free.

Apple said on its website it will replace the battery packs of iPhones sold between September 2012 and January 2013 for free.

Batteries on phones sold in that specific time had a problem leading to a shorter battery life.

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A sudden loss of power and a need to be charged immediately were some of the flaws of batteries sold in that time span..

"Apple has determined that a very small percentage of iPhone 5 devices may suddenly experience shorter battery life or need to be charged more frequently," Apple said on its website.

iPhone 5 users experiencing charging issues can input their phone's serial number on Apple's page and check if they're qualified for a free battery replacement.

Apple said it would refund customers that have already paid to replace faulty batteries.

Apple started replacing faulty batteries on August 22 in the United States and China.

Other countries may start asking for battery replacements starting on August 29.

TagsiPhone, New iPhone Battery, iPhone Battery problems, Free iPhone Battery Replacement