Apple has launched an iPhone 5 battery replacement program. According to Apple, a limited number of iPhone 5s sold between September 2012 and January 2013 may experience a sudden decrease in battery life, requiring frequent recharges. Customers who believe their device may be affected can verify their device's eligibility through the serial number. Apple will replace the battery for free, or reimburse customers who paid to have the battery replaced on their own. Apple said the program is limited to batteries. iPhones with cracked screens or other problems will likely incur charges to have those separate issues resolved before the battery is replaced. The program launched in the U.S. and China on August 22, and will launch in other countries August 29.