Apple will replace iPhone 5 batteries sold between September 2012 - January 2013 and fall within a limited serial number range. The very small percentage of batteries experience shorter battery life or need to be charged more frequently.

Apple has provided a serial number checker to verify if your phone may be one of those affected with the sub par battery.

If you believe your iPhone 5 was affected by this issue, and you paid to replace your battery, you can contact Apple about a refund.

This worldwide Apple program doesn't extend the standard warranty coverage of the iPhone 5. The program covers affected iPhone 5 batteries for two years after the first retail sale of the unit or until March 1, 2015, whichever provides longer coverage.