mophie is a California-based, award-winning designer and manufacturer of mobile intelligent devices and accessories. Widely acclaimed for innovative solutions, mophie is the proud developer of the juice pack, the first ever "Works With iPhone" portable battery case certified by Apple Inc. The Juice Pack Helium is an ultra-thin, 1500mAh protective battery case that provides your iPhone 5s/5 with up to 80% extra battery life. Available now in blue.