Any of you hear of the mophie case? probably. but this does all that with syncing through the case but also has a built in solar charger. its called GP400IS weird name lol. I'm actually selling mine because there is no sunlight near me much. you could check out at http://www.ebay.com/itm/290708523537?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649