Is it possible to use your mobile without his battery

Sometimes I think that if we can use our mobile without his batteries so there's no more time wastage to charge this things. So I just thinking about Nicola tesla's greatest invention of all time a wireless electricity. If we had that so I think we are able to get out of this charging problems. Think the wireless electricity is coming indirect in our mobile and there is no more charging problems. In parller uniniverese somewhere :-