inputs.text: everuseful gadget not know needed - no idea useful external battery pack would lifeas iphone user obviously knew external battery pack good idea actually received started use proved something never without iphone main business phone not outlet accessible near desk work home often short amount time available make customer service calls plans make calls thwarted dead battery not anymore take battery pack anywhere take phone ease first cycle pack able fully charge phone four times partially charge ipad end cycleanother way useful life traveling kiddos not worry anymore ipad enough juice get thehem movie battery pack setportable easy use super helpful glad know product