inputs.text: great universal portable charging device - thing awesome not needed buy spare batteries cases chargers anything else since got change devices time kept spend money new spare batteries chargers extended batteries make phone look awful usually buy new phone back panel way bring backup power source long trips days never worry running battery worst moment another great new trent productpros huge battery life charged twice 2 months slim portable fits pocket surprisingly light comes multiple adapters charge tablets phonescons no wall charger works usb charger