The company has long been rumored to introduce a new battery in its next flagship device.
AppleInsider cites Topeka Capital Markets analyst Brian White who details a report from Chinese news website Sina.com. the site reports that Apple partners have problems in the production process.
More specifically, only 30% of the battery products manufactured so far meet the quality standards.
In addition, Apple might not be able to improve the manufacturing process in time to allow the production of the battery in larger quantities.
Market watchers believe that Apple’s high production standards for its products are what could cause a delay in the launch of the product.
The iPhone 5 is rumored to be released in the fall. The device is expected to feature a larger 4-inch display, as well as a major design change.