Originally Posted by georgec
But Batman knew that trying more powerful tools that gave him an unfair advantage would have invited Bane's men to start shooting.
That doesn't make any sense. Batman said to himself "I'll use the flashbangs and the electromagnetic device, because I know those won't give me an advantage?" He was down. He was looking for anything to give him an advantage. If he had thought those things would be useless he wouldn't have tried them at all.