inputs.text: brand new unit failed needed - bought one big international trip would airports airplanesi wanted able use iphone 4s without worrying battery dying unit showed worked fine initially however week later pulled airplane would not charge 4s 4 blue lights lit indicating battery pack fully charged no amount button mashing cable wiggling power cycling would charge iphone even one iota unfortunately product really let attehempted ehemail new trent support took week get back time returned trip already returned itehem amazon frustration feel wrong post review polar opposite many reviews unfortunately experience product not good one