So far I had purchased single fast chargers for our many mobile devices, which accumulate in a family. The spent many outlet locations to which there was a fight, and that the cable of the device after a few months still had loose contacts and then failed. To continue to have a strong and charger to fear no cable breaks, I bought and ten packs of USB charging cables that device. As can if necessary also times of a break, without the entire device becomes unusable. The initial Change individual devices I've given up. I let them go broke and throw them away. And one would cost as much as this.