According to the latest from the French technology blog – NowhereElse.fr, Apple is indeed preparing to release an iPhone 6c, contrary to recent rumors that Apple would not release one this year. Evidence that Apple is working on an iPhone 6c came courtesy of a leaked battery pack, which sports a 1715mAh load capacity and was produced March 2015. The iPhone 5c has a 1507mAh battery while the iPhone 6 and iPhone 6 Plus are powered by a 1,810mAh and a 2,915mAh battery capacity respectively.
Additionally, the report speculates that the iPhone 6c will maintain its 4-inch diagonal display.