Apple Australia has announced some iPhone 5 models may have much shorter battery life than normal, therefore announcing a free iPhone 5 battery replacement program.
If your iPhone is found to have the issue Apple will replace the iPhone with a entire new iPhone or new battery. Take note – this replacement program does not launch in Australia until August 29th, 2014.
Which models are affected?
Only iPhone 5 models sold between September 2012 and January 2013 however only certain iPhones with a particular serial model are affected. You can check if your iPhone 5 model is affected here.
The iPhone 5s model is NOT affected at all by the battery issue.