inputs.text: new trent external battery pack - number devices need keep charged regularly one thehem requires 2 amp difficult find appropriate battery charger external battery pack fits bill perfectly completed 1 week road trip across country multiple itehems needed charging sometimes time 2 iphones 1 samsung tablet 2 kindles 1 pantech cellphone 1 samsung cellphone able charge 34 itehems quickly 1 hour charge 23 devices battery pack power still not fully depletedi highly recommend itehem anyone needs backup powerand almost everyone