Mophie, which was the first company to produce battery cases for smartphones, remains a solid competitor in the business as of 2015. Incipio and Tylt also produce battery cases and other electronics accessories.
Mophie still manufactures multiple battery cases for Apple, Samsung and HTC phones. Incipio, another battery case producer, is highly rated by various tech reviewers; Digital Trends ranks Incipio's Ghost Qi wireless charging battery case as the best battery case for the iPhone 6. Digital Trends highly praised the Ghost Qi's wireless charging and extra storage capabilities. Other technology manufacturers such as Tylt and Power Skin also make battery cases.