Wikipedia
Mophie
Mophie is a California-based technology company that manufactures accessories for smartphones and other mobile devices. The company's main products are portable charging accessories, particularly phone cases with secondary batteries contained within.
The company is listed as an Inc. 5000 company, and it was rated in the Top 100 Consumer Products & Services Companies in 2013. In 2013, Mophie had $215.4 million in sales.