inputs.text: great backup power - bought unit charge thunderbolt galaxy tab 101 along familys various electronic toys live rural state long driving distances stops also travel meetings outlets not always available spend lots time airports used spend time wandering find outlets often not convenient locations solved problehems unit not add much weight travels relatively small amount charge holds everyone knows androidbased phones eat battery life found visit 4g area really eats also use using thunderbolt hotspot external battery lifesaver many times situations retractable usb cable multiple tips came bonus use many applications besides charger would recommend anyone needs sort backup power